

SKU: SKU: CGSC4678
The Cometic Honda A20A1/3,B16A2/3,B17A1,B18A1,B18C1/5,B20A3/5,B20B4,B20Z2,B21A1,D15A1 Rear Main Seal - C4678 is a precision-engineered gasket kit.
This Cometic complete gasket kit delivers a comprehensive, precision-matched set of seals and gaskets engineered to OE or better specifications. Each component is manufactured from materials specifically chosen for their temperature range, chemical resistance, and compressibility — ensuring every sealing surface in your engine is properly protected during rebuild or performance upgrades.
Verified fitment: Honda CRX (1988–1991); Honda Civic (1988–1991).
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