Howards Performance Single Racing Valve Springs w/ Damper - 1.265" O.D. - .878" I.D. Suspension Bushing 2 x 2 in Rectangular

2 x 2 in Rectangular Port

Both shoulder belts and the sub-belt are hooked over the link

1965-1972 Chevrolet Biscayne CID 454

The 112-589 throttle body features a 90 millimeter bore and a low RPM drive friendly taper

Detailed installation instructions are included

Howards Performance Single Racing Valve Springs w/ Damper - 1.265" O.D. - .878" I.D. Suspension Bushing 2 x 2 in RectangularEngineered for racing use, springs are precisely coiled and undergo precision heat treating. Sold in sets of 16. The name Howards Cams has been synonymous with high performance camshafts since the 1950s. Howards Cams have always used on track experience to design the most powerful designs. This includes early Top Fuel favorites driven by Jack Chrisman and Larry Dixon Sr. Today we have even a greater group of experienced racers in Circle Track, Drag