{"product_id":"full-gasket-set-for-toyota-conquest-rsi-corolla-rsi-4a-ge-16v-1986-1988-fsto40810sa","title":"Full Gasket Set for Toyota Conquest RSi \u0026 Corolla RSi 4A-GE 16V (1986-1988) - FSTO40810SA","description":"\u003cp\u003e\u003c\/p\u003e\u003cdiv class=\"product-description\"\u003e\n\u003cbr\u003e  \u003ch2\u003eVehicle Fitment \u0026amp; Part Details\u003c\/h2\u003e\n\u003cbr\u003e\u003cbr\u003e  \u003cp\u003e\u003cbr\u003e    This full gasket set (SKU FSTO40810SA) fits the first-generation \u003cstrong\u003eToyota 4A-GE 16-valve\u003c\/strong\u003e small-port engine in the 1986-1988 Toyota Conquest RSi hatchback and Toyota Corolla RSi sedan sold in South Africa. The kit includes the cylinder head gasket, crankshaft seals, and valve stem seals - everything needed for a top-end refresh or rebuild. The oil sump gasket is \u003cstrong\u003enot\u003c\/strong\u003e included and must be ordered separately if you are dropping the sump. Cross-references to Toyota OE 04111-16020 series, Payen GN390, and Victor Reinz 01-52573-01.\u003cbr\u003e  \u003c\/p\u003e\n\u003cbr\u003e\u003cbr\u003e  \u003ch3\u003eKey Details\u003c\/h3\u003e\n\u003cbr\u003e  \u003cdl style=\"display:grid; grid-template-columns: 140px 1fr; gap: 6px 12px; margin:0;\"\u003e\n\u003cbr\u003e    \u003cdt style=\"font-weight:600; margin:0;\"\u003eSKU\u003c\/dt\u003e\n\u003cbr\u003e    \u003cdd style=\"margin:0;\"\u003eFSTO40810SA\u003c\/dd\u003e\n\u003cbr\u003e\u003cbr\u003e    \u003cdt style=\"font-weight:600; margin:0;\"\u003eComponent\u003c\/dt\u003e\n\u003cbr\u003e    \u003cdd style=\"margin:0;\"\u003eFull Gasket Set (Head + Lower Engine Seals)\u003c\/dd\u003e\n\u003cbr\u003e\u003cbr\u003e    \u003cdt style=\"font-weight:600; margin:0;\"\u003eEngine\u003c\/dt\u003e\n\u003cbr\u003e    \u003cdd style=\"margin:0;\"\u003eToyota 4A-GE 1.6 L 16V (first generation, small-port)\u003c\/dd\u003e\n\u003cbr\u003e\u003cbr\u003e    \u003cdt style=\"font-weight:600; margin:0;\"\u003ePower\u003c\/dt\u003e\n\u003cbr\u003e    \u003cdd style=\"margin:0;\"\u003e81 kW \/ 110 hp @ 6600 rpm\u003c\/dd\u003e\n\u003cbr\u003e\u003cbr\u003e    \u003cdt style=\"font-weight:600; margin:0;\"\u003ePrimary Fitment\u003c\/dt\u003e\n\u003cbr\u003e    \u003cdd style=\"margin:0;\"\u003eToyota Conquest RSi 1986-1988\u003c\/dd\u003e\n\u003cbr\u003e\u003cbr\u003e    \u003cdt style=\"font-weight:600; margin:0;\"\u003eLead OE\u003c\/dt\u003e\n\u003cbr\u003e    \u003cdd style=\"margin:0;\"\u003eToyota 04111-16020\u003c\/dd\u003e\n\u003cbr\u003e\u003cbr\u003e    \u003cdt style=\"font-weight:600; margin:0;\"\u003eCross-Reference\u003c\/dt\u003e\n\u003cbr\u003e    \u003cdd style=\"margin:0;\"\u003ePayen GN390 \/ Victor Reinz 01-52573-01\u003c\/dd\u003e\n\u003cbr\u003e  \u003c\/dl\u003e\n\u003cbr\u003e\u003cbr\u003e  \u003ch3\u003eKey Benefits\u003c\/h3\u003e\n\u003cbr\u003e  \u003cul\u003e\n\u003cbr\u003e    \u003cli\u003eComprehensive gasket kit for a full top-end rebuild of the 1st-generation 4A-GE 16V small-port engine - the definitive SA enthusiast 4A-GE.\u003c\/li\u003e\n\u003cbr\u003e    \u003cli\u003eCross-referenced to Toyota OE (04111-16020 through 04111-16023), Payen GN390, and Victor Reinz 01-52573-01 - one kit matching all major aftermarket catalogues.\u003c\/li\u003e\n\u003cbr\u003e    \u003cli\u003eIncludes cylinder head gasket, crankshaft seals, and valve stem seals in one consolidated kit - saves sourcing parts individually for a rebuild.\u003c\/li\u003e\n\u003cbr\u003e  \u003c\/ul\u003e\n\u003cbr\u003e\u003cbr\u003e  \u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cbr\u003e  \u003cul\u003e\n\u003cbr\u003e    \u003cli\u003eCylinder head gasket\u003c\/li\u003e\n\u003cbr\u003e    \u003cli\u003eCrankshaft seal (front and\/or rear main)\u003c\/li\u003e\n\u003cbr\u003e    \u003cli\u003eValve stem seals\u003c\/li\u003e\n\u003cbr\u003e    \u003cli\u003eSupporting top-end gaskets (rocker cover, timing cover, intake \/ exhaust manifold gaskets as per kit contents)\u003c\/li\u003e\n\u003cbr\u003e  \u003c\/ul\u003e\n\u003cbr\u003e\u003cbr\u003e  \u003ch3\u003eWhat's NOT Included\u003c\/h3\u003e\n\u003cbr\u003e  \u003cul\u003e\n\u003cbr\u003e    \u003cli\u003e\n\u003cbr\u003e\u003cstrong\u003eOil sump gasket\u003c\/strong\u003e - order separately if doing a bottom-end rebuild or sump removal\u003c\/li\u003e\n\u003cbr\u003e    \u003cli\u003eCylinder head bolts - inspect and replace if stretched, corroded, or deformed\u003c\/li\u003e\n\u003cbr\u003e    \u003cli\u003eTiming belt, timing belt tensioner, or water pump - service these at the same time as best practice\u003c\/li\u003e\n\u003cbr\u003e  \u003c\/ul\u003e\n\u003cbr\u003e\u003cbr\u003e  \u003ch3\u003eOEM \u0026amp; Cross-Reference Numbers\u003c\/h3\u003e\n\u003cbr\u003e  \u003cul\u003e\n\u003cbr\u003e    \u003cli\u003e\n\u003cbr\u003e\u003cstrong\u003eToyota OE:\u003c\/strong\u003e 04111-16020, 04111-16021, 04111-16022, 04111-16023\u003c\/li\u003e\n\u003cbr\u003e    \u003cli\u003e\n\u003cbr\u003e\u003cstrong\u003ePayen:\u003c\/strong\u003e GN390\u003c\/li\u003e\n\u003cbr\u003e    \u003cli\u003e\n\u003cbr\u003e\u003cstrong\u003eVictor Reinz:\u003c\/strong\u003e 01-52573-01\u003c\/li\u003e\n\u003cbr\u003e  \u003c\/ul\u003e\n\u003cbr\u003e\u003cbr\u003e  \u003ch3\u003eProduct Specifications\u003c\/h3\u003e\n\u003cbr\u003e  \u003cdiv style=\"overflow-x:auto; margin:0 0 24px 0;\"\u003e\n\u003cbr\u003e    \u003ctable style=\"width:100%; border-collapse:collapse; font-size:14px; line-height:1.45;\"\u003e\n\u003cbr\u003e      \u003cthead\u003e\n\u003cbr\u003e        \u003ctr style=\"background-color:#1a1a2e; color:#ffffff;\"\u003e\n\u003cbr\u003e          \u003cth scope=\"col\" style=\"padding:5px 8px; text-align:left; border:1px solid #ddd; vertical-align:top;\"\u003eSpecification\u003c\/th\u003e\n\u003cbr\u003e          \u003cth scope=\"col\" style=\"padding:5px 8px; text-align:left; border:1px solid #ddd; vertical-align:top;\"\u003eValue\u003c\/th\u003e\n\u003cbr\u003e        \u003c\/tr\u003e\n\u003cbr\u003e      \u003c\/thead\u003e\n\u003cbr\u003e      \u003ctbody\u003e\n\u003cbr\u003e        \u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003cbr\u003e\u003cth scope=\"row\" style=\"padding:4px 8px; border:1px solid #ddd; vertical-align:top; overflow-wrap:anywhere; text-align:left; font-weight:normal;\"\u003eKit Type\u003c\/th\u003e\n\u003cbr\u003e\u003ctd style=\"padding:4px 8px; border:1px solid #ddd; vertical-align:top; overflow-wrap:anywhere;\"\u003eFull Gasket Set (top-end + crank seals)\u003c\/td\u003e\n\u003cbr\u003e\n\u003c\/tr\u003e\n\u003cbr\u003e        \u003ctr style=\"background-color:#ffffff;\"\u003e\n\u003cbr\u003e\u003cth scope=\"row\" style=\"padding:4px 8px; border:1px solid #ddd; vertical-align:top; overflow-wrap:anywhere; text-align:left; font-weight:normal;\"\u003eTarget Engine\u003c\/th\u003e\n\u003cbr\u003e\u003ctd style=\"padding:4px 8px; border:1px solid #ddd; vertical-align:top; overflow-wrap:anywhere;\"\u003eToyota 4A-GE 1.6 L DOHC 16V (1st generation, small-port, T-VIS)\u003c\/td\u003e\n\u003cbr\u003e\n\u003c\/tr\u003e\n\u003cbr\u003e        \u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003cbr\u003e\u003cth scope=\"row\" style=\"padding:4px 8px; border:1px solid #ddd; vertical-align:top; overflow-wrap:anywhere; text-align:left; font-weight:normal;\"\u003eIncludes Head Gasket\u003c\/th\u003e\n\u003cbr\u003e\u003ctd style=\"padding:4px 8px; border:1px solid #ddd; vertical-align:top; overflow-wrap:anywhere;\"\u003eYes\u003c\/td\u003e\n\u003cbr\u003e\n\u003c\/tr\u003e\n\u003cbr\u003e        \u003ctr style=\"background-color:#ffffff;\"\u003e\n\u003cbr\u003e\u003cth scope=\"row\" style=\"padding:4px 8px; border:1px solid #ddd; vertical-align:top; overflow-wrap:anywhere; text-align:left; font-weight:normal;\"\u003eIncludes Crankshaft Seal\u003c\/th\u003e\n\u003cbr\u003e\u003ctd style=\"padding:4px 8px; border:1px solid #ddd; vertical-align:top; overflow-wrap:anywhere;\"\u003eYes\u003c\/td\u003e\n\u003cbr\u003e\n\u003c\/tr\u003e\n\u003cbr\u003e        \u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003cbr\u003e\u003cth scope=\"row\" style=\"padding:4px 8px; border:1px solid #ddd; vertical-align:top; overflow-wrap:anywhere; text-align:left; font-weight:normal;\"\u003eIncludes Valve Stem Seals\u003c\/th\u003e\n\u003cbr\u003e\u003ctd style=\"padding:4px 8px; border:1px solid #ddd; vertical-align:top; overflow-wrap:anywhere;\"\u003eYes\u003c\/td\u003e\n\u003cbr\u003e\n\u003c\/tr\u003e\n\u003cbr\u003e        \u003ctr style=\"background-color:#ffffff;\"\u003e\n\u003cbr\u003e\u003cth scope=\"row\" style=\"padding:4px 8px; border:1px solid #ddd; vertical-align:top; overflow-wrap:anywhere; text-align:left; font-weight:normal;\"\u003eIncludes Oil Sump Gasket\u003c\/th\u003e\n\u003cbr\u003e\u003ctd style=\"padding:4px 8px; border:1px solid #ddd; vertical-align:top; overflow-wrap:anywhere;\"\u003eNo (order separately)\u003c\/td\u003e\n\u003cbr\u003e\n\u003c\/tr\u003e\n\u003cbr\u003e      \u003c\/tbody\u003e\n\u003cbr\u003e    \u003c\/table\u003e\n\u003cbr\u003e  \u003c\/div\u003e\n\u003cbr\u003e\u003cbr\u003e  \u003ch3\u003eVehicle Fitment\u003c\/h3\u003e\n\u003cbr\u003e  \u003cp\u003eIncludes 2 supplied applications.\u003c\/p\u003e\n\u003cbr\u003e  \u003cdiv style=\"overflow-x:auto; margin:0 0 24px 0;\"\u003e\n\u003cbr\u003e    \u003ctable style=\"width:100%; border-collapse:collapse; font-size:14px; line-height:1.45;\"\u003e\n\u003cbr\u003e      \u003cthead\u003e\n\u003cbr\u003e        \u003ctr style=\"background-color:#1a1a2e; color:#ffffff;\"\u003e\n\u003cbr\u003e          \u003cth scope=\"col\" style=\"padding:5px 8px; text-align:left; border:1px solid #ddd; vertical-align:top;\"\u003eMake\u003c\/th\u003e\n\u003cbr\u003e          \u003cth scope=\"col\" style=\"padding:5px 8px; text-align:left; border:1px solid #ddd; vertical-align:top;\"\u003eModel\u003c\/th\u003e\n\u003cbr\u003e          \u003cth scope=\"col\" style=\"padding:5px 8px; text-align:left; border:1px solid #ddd; vertical-align:top;\"\u003eVariant\u003c\/th\u003e\n\u003cbr\u003e          \u003cth scope=\"col\" style=\"padding:5px 8px; text-align:left; border:1px solid #ddd; vertical-align:top;\"\u003eEngine\u003c\/th\u003e\n\u003cbr\u003e          \u003cth scope=\"col\" style=\"padding:5px 8px; text-align:left; border:1px solid #ddd; vertical-align:top;\"\u003eYears\u003c\/th\u003e\n\u003cbr\u003e          \u003cth scope=\"col\" style=\"padding:5px 8px; text-align:left; border:1px solid #ddd; vertical-align:top;\"\u003ePower\u003c\/th\u003e\n\u003cbr\u003e        \u003c\/tr\u003e\n\u003cbr\u003e      \u003c\/thead\u003e\n\u003cbr\u003e      \u003ctbody\u003e\n\u003cbr\u003e        \u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003cbr\u003e\u003cth scope=\"row\" style=\"padding:4px 8px; border:1px solid #ddd; vertical-align:top; overflow-wrap:anywhere; text-align:left; font-weight:normal;\"\u003eToyota\u003c\/th\u003e\n\u003cbr\u003e\u003ctd style=\"padding:4px 8px; border:1px solid #ddd; vertical-align:top; overflow-wrap:anywhere;\"\u003eConquest\u003c\/td\u003e\n\u003cbr\u003e\u003ctd style=\"padding:4px 8px; border:1px solid #ddd; vertical-align:top; overflow-wrap:anywhere;\"\u003e1600 RSi\u003c\/td\u003e\n\u003cbr\u003e\u003ctd style=\"padding:4px 8px; border:1px solid #ddd; vertical-align:top; overflow-wrap:anywhere;\"\u003e4A-GE, 1.6 Petrol DOHC 16V\u003c\/td\u003e\n\u003cbr\u003e\u003ctd style=\"padding:4px 8px; border:1px solid #ddd; vertical-align:top; overflow-wrap:anywhere;\"\u003e1986-1988\u003c\/td\u003e\n\u003cbr\u003e\u003ctd style=\"padding:4px 8px; border:1px solid #ddd; vertical-align:top; overflow-wrap:anywhere;\"\u003e81 kW\u003c\/td\u003e\n\u003cbr\u003e\n\u003c\/tr\u003e\n\u003cbr\u003e        \u003ctr style=\"background-color:#ffffff;\"\u003e\n\u003cbr\u003e\u003cth scope=\"row\" style=\"padding:4px 8px; border:1px solid #ddd; vertical-align:top; overflow-wrap:anywhere; text-align:left; font-weight:normal;\"\u003eToyota\u003c\/th\u003e\n\u003cbr\u003e\u003ctd style=\"padding:4px 8px; border:1px solid #ddd; vertical-align:top; overflow-wrap:anywhere;\"\u003eCorolla\u003c\/td\u003e\n\u003cbr\u003e\u003ctd style=\"padding:4px 8px; border:1px solid #ddd; vertical-align:top; overflow-wrap:anywhere;\"\u003e1600 RSi\u003c\/td\u003e\n\u003cbr\u003e\u003ctd style=\"padding:4px 8px; border:1px solid #ddd; vertical-align:top; overflow-wrap:anywhere;\"\u003e4A-GE, 1.6 Petrol DOHC 16V\u003c\/td\u003e\n\u003cbr\u003e\u003ctd style=\"padding:4px 8px; border:1px solid #ddd; vertical-align:top; overflow-wrap:anywhere;\"\u003e1986-1988\u003c\/td\u003e\n\u003cbr\u003e\u003ctd style=\"padding:4px 8px; border:1px solid #ddd; vertical-align:top; overflow-wrap:anywhere;\"\u003e81 kW\u003c\/td\u003e\n\u003cbr\u003e\n\u003c\/tr\u003e\n\u003cbr\u003e      \u003c\/tbody\u003e\n\u003cbr\u003e    \u003c\/table\u003e\n\u003cbr\u003e  \u003c\/div\u003e\n\u003cbr\u003e\u003cbr\u003e  \u003ch3\u003eFitment Notes\u003c\/h3\u003e\n\u003cbr\u003e  \u003cul\u003e\n\u003cbr\u003e    \u003cli\u003e\n\u003cbr\u003e\u003cstrong\u003eToyota Conquest vs Corolla in South Africa:\u003c\/strong\u003e The Conquest name was used for the 5-door hatchback (AE82) and the Corolla name for the sedan during this era, both with the same 4A-GE 16V engine. The RSi designation denotes the 1.6 Sport variant with the twin-cam 4A-GE. Both models share this gasket set.\u003c\/li\u003e\n\u003cbr\u003e    \u003cli\u003eThe supplier power figure is 81 kW (110 PS \/ 110 hp) at approximately 6,600 rpm, matching factory specification for the 1st-generation 4A-GE 16V engine.\u003c\/li\u003e\n\u003cbr\u003e    \u003cli\u003eAlways match the engine code stamped on the block: \u003cstrong\u003e4A-GE\u003c\/strong\u003e. Also confirm the head casting generation - the 1st-gen (1983-1987) has a 7-rib block and the small-port 16V head. If the engine has been swapped at some point in the vehicle's history, the original engine may no longer match.\u003c\/li\u003e\n\u003cbr\u003e  \u003c\/ul\u003e\n\u003cbr\u003e\u003cbr\u003e  \u003cdiv data-nosnippet style=\"background:#fff3cd; border-left:4px solid #ffc107; padding:12px 16px; margin:16px 0;\"\u003e\n\u003cbr\u003e    \u003cstrong\u003eCRITICAL: 4A-GE Generation Disambiguation\u003c\/strong\u003e\u003cbr\u003e    \u003cp style=\"margin:8px 0;\"\u003eThe Toyota 4A-GE engine was produced in multiple generations with significantly different specifications. This gasket set fits \u003cstrong\u003eONLY the 1st-generation 4A-GE (16V, small-port, T-VIS)\u003c\/strong\u003e as used in 1986-1988 SA-market Conquest RSi and Corolla RSi. It does NOT fit the following later 4A-GE variants:\u003c\/p\u003e\n\u003cbr\u003e    \u003cul style=\"margin:8px 0;\"\u003e\n\u003cbr\u003e      \u003cli\u003e\n\u003cbr\u003e\u003cstrong\u003e2nd-gen 4A-GE \"Red Top\"\u003c\/strong\u003e (1987-1989, AW11 MR2 \/ AE92 Corolla) - big-port head, different head gasket profile.\u003c\/li\u003e\n\u003cbr\u003e      \u003cli\u003e\n\u003cbr\u003e\u003cstrong\u003e3rd-gen 4A-GE \"Red Top\" \/ 20-valve\u003c\/strong\u003e (1989-1991) - progressive updates, not cross-compatible.\u003c\/li\u003e\n\u003cbr\u003e      \u003cli\u003e\n\u003cbr\u003e\u003cstrong\u003e4A-GE \"Silver Top\" 20-valve\u003c\/strong\u003e (1991-1995, AE101) - completely different head design with 20 valves.\u003c\/li\u003e\n\u003cbr\u003e      \u003cli\u003e\n\u003cbr\u003e\u003cstrong\u003e4A-GE \"Black Top\" 20-valve\u003c\/strong\u003e (1995-2000, AE111) - 20-valve, different head gasket and valve stem seal specifications.\u003c\/li\u003e\n\u003cbr\u003e    \u003c\/ul\u003e\n\u003cbr\u003e    \u003cp style=\"margin:8px 0;\"\u003eBefore ordering, confirm your engine is the 1st-generation 4A-GE 16V small-port. Telltale signs: T-VIS intake system (8 additional secondary intake runners with vacuum-actuated butterflies), \"small port\" cylinder head (smaller intake ports than later 4A-GEs), and compression ratio around 9.4:1. If in doubt, photograph the engine and send us the picture with your VIN for verification.\u003c\/p\u003e\n\u003cbr\u003e  \u003c\/div\u003e\n\u003cbr\u003e\u003cbr\u003e  \u003cdiv data-nosnippet style=\"background:#fff3cd; border-left:4px solid #ffc107; padding:12px 16px; margin:16px 0;\"\u003e\n\u003cbr\u003e    \u003cstrong\u003eFull Gasket Set - Important Installation Information\u003c\/strong\u003e\u003cbr\u003e    \u003cul style=\"margin:8px 0;\"\u003e\n\u003cbr\u003e      \u003cli\u003e\n\u003cbr\u003e\u003cstrong\u003eOil sump gasket is NOT in this kit.\u003c\/strong\u003e If you plan to drop the sump (for crank inspection, oil pickup service, or bottom-end work), order a sump gasket separately before starting the job.\u003c\/li\u003e\n\u003cbr\u003e      \u003cli\u003eInspect cylinder head bolts for stretching, corrosion, and thread damage. Replace any suspect bolts - head bolt failure on torque-down can crack the head or block.\u003c\/li\u003e\n\u003cbr\u003e      \u003cli\u003eHave the cylinder head pressure-tested and crack-checked by a reputable machine shop before reassembly. Skim the head face only if warpage exceeds manufacturer tolerance.\u003c\/li\u003e\n\u003cbr\u003e      \u003cli\u003eMeasure the block deck for flatness at the same time - a warped block cannot be sealed by a new head gasket alone.\u003c\/li\u003e\n\u003cbr\u003e      \u003cli\u003eClean all gasket mating surfaces thoroughly with a non-scouring scraper or gasket remover. Do NOT use a wire wheel or power tool on aluminium surfaces - it removes metal and prevents sealing.\u003c\/li\u003e\n\u003cbr\u003e      \u003cli\u003eFit the head gasket dry (no sealant) unless the gasket manufacturer specifies otherwise. Ensure the gasket is orientated correctly - markings such as \"TOP\" or \"FRONT\" indicate the installed orientation.\u003c\/li\u003e\n\u003cbr\u003e      \u003cli\u003eTorque cylinder head bolts in the manufacturer-specified sequence and multiple stages (typically 3-4 progressive torque steps). Consult the Toyota 4A-GE workshop manual for exact torque figures and sequence.\u003c\/li\u003e\n\u003cbr\u003e      \u003cli\u003eReplace the timing belt, timing belt tensioner, water pump, and cam seals at the same time - these all require the timing cover to be removed during head service, and the labour cost to replace them is minimal while you're already there.\u003c\/li\u003e\n\u003cbr\u003e      \u003cli\u003eFit valve stem seals carefully using the correct tool - avoid damaging the seal lip on the valve guide edge during installation.\u003c\/li\u003e\n\u003cbr\u003e      \u003cli\u003eRun the engine through a careful break-in cycle after reassembly. Check for leaks, re-torque where applicable, and verify oil pressure and cooling system operation on initial start-up.\u003c\/li\u003e\n\u003cbr\u003e    \u003c\/ul\u003e\n\u003cbr\u003e  \u003c\/div\u003e\n\u003cbr\u003e\u003cbr\u003e  \u003ch3\u003eInstallation \/ Use \/ Maintenance Tips\u003c\/h3\u003e\n\u003cbr\u003e  \u003cul\u003e\n\u003cbr\u003e    \u003cli\u003eLay out all kit contents before starting disassembly. Confirm every expected gasket and seal is present and the correct profile for your engine.\u003c\/li\u003e\n\u003cbr\u003e    \u003cli\u003ePhotograph the engine from multiple angles before teardown. For the 4A-GE specifically, document the T-VIS linkage, vacuum hose routing, and intake manifold arrangement - these can be difficult to reassemble from memory alone.\u003c\/li\u003e\n\u003cbr\u003e    \u003cli\u003eUse a torque wrench that has been recently calibrated. Old or abused torque wrenches can be 10%+ out of specification, which is enough to cause head gasket failure.\u003c\/li\u003e\n\u003cbr\u003e    \u003cli\u003eWork in a clean environment. Even small debris in the head gasket sealing zone can compromise the seal.\u003c\/li\u003e\n\u003cbr\u003e    \u003cli\u003eConsider replacing the cam sensor seal, distributor O-ring, and oil pressure switch seal while the engine is apart if they look tired - they fail at similar ages and are difficult to access without dismantling.\u003c\/li\u003e\n\u003cbr\u003e    \u003cli\u003eThis is a specialist rebuild - if you are not experienced with engine assembly, consider having the work done by a workshop familiar with the 4A-GE 16V. Reputable SA specialists include several Japanese-focused performance shops.\u003c\/li\u003e\n\u003cbr\u003e  \u003c\/ul\u003e\n\u003cbr\u003e\u003cbr\u003e  \u003ch3\u003eCommon Questions\u003c\/h3\u003e\n\u003cbr\u003e  \u003cp\u003e\u003cstrong\u003eWill this fit my 4A-GE engine?\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e    Only if it is the 1st-generation 4A-GE 16V (small-port, T-VIS) as fitted to 1986-1988 SA-market Toyota Conquest RSi and Corolla RSi. It does NOT fit the 2nd-gen \"Red Top\" 4A-GE, 20V \"Silver Top\", or 20V \"Black Top\" variants. If your engine has been swapped at any point, verify the actual engine generation before ordering.\u003cbr\u003e  \u003c\/p\u003e\n\u003cbr\u003e\u003cbr\u003e  \u003cp\u003e\u003cstrong\u003eIs an oil sump gasket included?\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e    No. This kit covers the cylinder head gasket, crankshaft seal, and valve stem seals plus supporting top-end gaskets. If you are doing a bottom-end rebuild or removing the sump for any reason, order a separate sump gasket.\u003cbr\u003e  \u003c\/p\u003e\n\u003cbr\u003e\u003cbr\u003e  \u003cp\u003e\u003cstrong\u003eAre head bolts included?\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e    No. Head bolts are not part of a standard full gasket set. Inspect the bolts carefully - if they show stretching, corrosion, or thread damage, replace them. Many 4A-GE rebuilders replace head bolts as a matter of course during a rebuild.\u003cbr\u003e  \u003c\/p\u003e\n\u003cbr\u003e\u003cbr\u003e  \u003cp\u003e\u003cstrong\u003eWhat's the difference between the Toyota OE part numbers (04111-16020 \/ 16021 \/ 16022 \/ 16023)?\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e    These are progressive head gasket revisions for the 1st-generation 4A-GE 16V - Toyota updated the gasket specification during the production run to address sealing and durability refinements. All four numbers refer to compatible gasket revisions for the same engine family. This kit matches the family.\u003cbr\u003e  \u003c\/p\u003e\n\u003cbr\u003e\u003cbr\u003e  \u003cp\u003e\u003cstrong\u003eWhat does the \"small-port\" designation mean?\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e    The 1st-generation 4A-GE (1983-1987) has smaller intake ports in the cylinder head compared to the 2nd-generation \"big-port\" version (1987-1989). This difference means the head gaskets are not interchangeable between generations. The small-port head is also lower-flow but produces the characteristic 4A-GE power curve when combined with the T-VIS intake system.\u003cbr\u003e  \u003c\/p\u003e\n\u003cbr\u003e\u003cbr\u003e  \u003cp\u003e\u003cstrong\u003eWhat is T-VIS?\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e    T-VIS (Toyota Variable Intake System) is a twin-stage intake manifold system fitted to the 1st and 2nd generation 4A-GE. Secondary intake runners are closed at low RPM for improved low-end torque and open above approximately 4,200 rpm for top-end power. It's a distinguishing feature of early 4A-GE engines.\u003cbr\u003e  \u003c\/p\u003e\n\u003cbr\u003e\u003cbr\u003e  \u003cp\u003e\u003cstrong\u003eHow do I confirm the engine is really the 1st-gen 4A-GE?\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e    Look for: the engine code \"4A-GE\" stamped on the block, a 7-rib engine block, small intake ports, T-VIS intake manifold with visible butterfly linkage, and a red valve cover with \"16V\" or \"TWIN CAM\" markings. If in doubt, send us photographs of the engine bay, cam cover, and intake manifold with your enquiry.\u003cbr\u003e  \u003c\/p\u003e\n\u003cbr\u003e\n\u003c\/div\u003e","brand":"ARCO","offers":[{"title":"Default Title","offer_id":51523824582971,"sku":"FSTO40810SA","price":1248.0,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0703\/3480\/8379\/files\/full-gasket-set-toyota-conquest-corolla-rsi-4a-ge-fsto40810sa-1.webp?v=1785626557","url":"https:\/\/gunmansa.co.za\/ga\/products\/full-gasket-set-for-toyota-conquest-rsi-corolla-rsi-4a-ge-16v-1986-1988-fsto40810sa","provider":"GUNMANSA","version":"1.0","type":"link"}