Cometic Toyota 3S-GE/3S-GTE 94-99 Gen 3 87mm Bore .040 inch MLS Head Gasket 2004-gmc-sierra-1500-esi1605590 The factory fuel system cannot

The factory fuel system cannot safely support the amount of fuel needed for full E85 even with an HPFP upgrade

Select appropriate variant based on your application requirements

n 1/2 engines*

long-life construction

use in conjunction with 20-0439 12AN ORB to 5-Bolt SAE Adapter

Cometic Toyota 3S-GE/3S-GTE 94-99 Gen 3 87mm Bore .040 inch MLS Head Gasket 2004-gmc-sierra-1500-esi1605590 The factory fuel system cannotToday's lightweight engines are producing more horsepower, higher cylinder pressures, clamp loads and extreme temperatures. Our commitment is to provide innovative, quality gaskets while maximizing your engine's power and performance. Cometic's gaskets are proudly made in the USA with materials manufactured on American soil. We are constantly updating and adding models to our ever growing library of gaskets for Powersports, Street Bikes, Snowmobiles,