Isky Cams Oval Track Solid Flat Tappet Camshaft - SB Chevy - 545 Grind - 2500-6700 RPM Range - Advertised Duration 278, 278 - Duration @ .050" 250, 250 - Lift .545", .545" - 108 Lobe Center Rocker Cover Breather 1-1/2" heel block is recommended

1-1/2" heel block is recommended for proper heel to pedal spacing

Fits SA/SP126B

1973-1985 Buick Regal

This new Pro-Flo XT intake is engineered for high performance 396-502 c

Isky Cams Oval Track Solid Flat Tappet Camshaft - SB Chevy - 545 Grind - 2500-6700 RPM Range - Advertised Duration 278, 278 - Duration @ .050" 250, 250 - Lift .545", .545" - 108 Lobe Center Rocker Cover Breather 1-1/2" heel block is recommendedSingle pattern overlap reduced for restricted intake classes (Late model stock) 3 8 mile track long rod applications. As the world's largest racing, performance, and economy cam manufacturer, Isky maintains a dynamometer testing program for constant improvement of camshaft and valve train design. These tests are conducted daily in Isky's new enlarged dyno facility. To properly evaluate and prove the efficiency of Isky racing cams and valve train