Fel-Pro Head Gasket - SB Chevy - 4.200" Bore, .041" Thickness - Cast Iron, Aluminum Heads - Pre-Flattened Steel Wire Combustion Seal 121006 2-1/2 in Thick

2-1/2 in Thick

2005-2007 Freightliner XB Straight Rail

Bell became a leader in safety equipment for auto racing

The runners have been ported to improve velocity and evacuate the cylinders

fittings and water neck adapter to plumb from the cylinder heads to the water neck

Fel-Pro Head Gasket - SB Chevy - 4.200" Bore, .041" Thickness - Cast Iron, Aluminum Heads - Pre-Flattened Steel Wire Combustion Seal 121006 2-1/2 in ThickFel 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