Buick/Chevrolet/Oldsmobile/Pontiac/TH400
This inertia weight has six (2-ring design) or eight (3-ring design) computer machined grooves to retain the proper durometer O-rings (dyno tested for each application)
This cover uses the highest quality ABS material producing a super-light cover with above par strength
GM Gen V LT1 / LT4
Fel-Pro Head Gasket - SB Chevy - 4.200" Bore, .041" Thickness - Cast Iron, Aluminum Heads - Pre-Flattened Steel Wire Combustion Seal 3552024-1169- L Buick/Chevrolet/Oldsmobile/Pontiac/TH400Fel Pro deliver reliable sealing under grueling racing conditions. From the leader in aftermarket engine sealing, FEL PRO the gaskets professionals trust. Each gasket, set, or seal is built to meet or exceed all original equipment specifications and is validated for fit, form, and function. GMP Performance V8, 265 (4. 3L), 283 (4. 6L), 302 (4. 9L), 307 (5. 0L), 327 (5. 3L), 350 (5. 7L), 400 (6. 6L); Steel wire Inserted within a stainless steel armor