Howe Spring Rubber - Fits 5"-5-1/2" Coil Springs - Hard - 20# Cylinder Head Bolt and smooth radius turns to

and smooth radius turns to reduce turbulence and intake pressure losses

Engine Setback and Crankshaft Centerlines Provide the Most Transmission Alternatives with the Least Amount of Sheet Metal Work to the Transmission Tunnel and Optimize Driveline Angles

Fits GM TH250

1973-1977 Oldsmobile Cutlass Supreme

Manifold Dimensions: A-6

Howe Spring Rubber - Fits 5"-5-1/2" Coil Springs - Hard - 20# Cylinder Head Bolt and smooth radius turns toMade to fit any 2 1 2", 5" and 5 1 2" diameter coil spring. 1 1 4 height. For quick, precise spring rate changes. These spring rubbers are made for racing from a special Polyurethane that out lasts rubber 4 to 1. Maintains 95% of its rate at 180 degrees. Made in soft, medium and hard, the rates are proportionate to the spring rate. Howe Racing Enterprises began building and selling chassis and components in 1971 and since then we have produced