Engine Internals

From pistons and connecting rods to camshafts, crankshafts, bearings, and gaskets, our engine internals selection has everything needed for a reliable bottom end and a high-revving top end. With forged and performance options alongside OE-style replacements, every component is built for precision and durability. Lay the foundation for serious power and keep your engine strong under pressure.
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Cometic Mitsubishi Lancer EVO 4-9 86mm Bore .051 inch MLS Head Gasket 4G63 Motor 96-UP

Regular price $112.99
Sale price $112.99 Regular price
Unit price
Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton...
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Cometic Mitsubishi Lancer EVO 4-9 86mm Bore .040 inch MLS Head Gasket 4G63 Motor 96-UP

Regular price $112.99
Sale price $112.99 Regular price
Unit price
Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton...
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Cometic Honda D15B1-2-7/D16A6-7 75.5mm .030 inch MLS SOHC ZC Head Gasket

Regular price $112.99
Sale price $112.99 Regular price
Unit price
Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton...
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Cometic 2020+ 5.2L Ford Voodoo/Predator Modular V8 .046in MLX Cylinder Head Gasket, 95mm Bore, LHS

Regular price $188.99
Sale price $188.99 Regular price $191.03
Unit price
Cometic 2020+ 5.2L Ford Voodoo/Predator Modular V8 .046in MLX Cylinder Head Gasket, 95mm Bore, LHSThis...
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Cometic 2020+ 5.2L Ford Voodoo/Predator Modular V8 .046in MLX Cylinder Head Gasket, 95mm Bore, RHS

Regular price $188.99
Sale price $188.99 Regular price $191.03
Unit price
Cometic 2020+ 5.2L Ford Voodoo/Predator Modular V8 .046in MLX Cylinder Head Gasket, 95mm Bore, RHSThis...
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Cometic Ford 5.0L Gen-3 Coyote Modular V8 94.5mm Bore LHS .040in MLX Cylinder Head Gasket

Regular price $179.99
Sale price $179.99 Regular price $181.93
Unit price
The HP shim technology increases clampload around the combustion chamber, thereby increasing the sealability of...
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Cometic Ford 5.0L Gen-3 Coyote Modular V8 94.5mm Bore RHS .040in MLX Cylinder Head Gasket

Regular price $179.99
Sale price $179.99 Regular price $181.93
Unit price
The HP shim technology increases clampload around the combustion chamber, thereby increasing the sealability of...
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Cometic GM LS1/LS2/LS3/LS6 Gen-III/IV Small Block V8 4.080in Bore .040in MLS Cylinder Head Gasket

Regular price $104.99
Sale price $104.99 Regular price
Unit price
The HP shim technology increases clampload around the combustion chamber, thereby increasing the sealability of...
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Cometic Ford 5.0L Gen-1/Gen-2 Coyote Modular V8 Timing Cover Gasket Set

Regular price $108.99
Sale price $108.99 Regular price
Unit price
Today's lightweight engines are producing more horsepower, higher cylinder pressures, clamp loads and extreme temperatures....
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Cometic BMW N55B30A 85mm .052 inch MLX Head Gasket

Regular price $210.99
Sale price $210.99 Regular price $215.84
Unit price
The HP shim technology increases clampload around the combustion chamber, thereby increasing the sealability of...
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