Fel-Pro Perma Torque MLS Head Gasket - 4.165" Bore - .040" Compressed Thickness - SB Chevy 20-PRY-NB-4XS 450" long Hi-Tech 3/8" diameter

450" long Hi-Tech 3/8" diameter pushrod handles the requirements of today's all-out race engines

Coil Spring Top Plate

Sizes refer to door opening dimensions

has two independent pressure adjustments: one for idle and one for wide open throttleTo us

Fel-Pro Perma Torque MLS Head Gasket - 4.165" Bore - .040" Compressed Thickness - SB Chevy 20-PRY-NB-4XS 450" long Hi-Tech 3/8" diameterFel 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); PermaTorqueMLS The latest development in Fel Pro