Howe Spring Rubber - Fits 5"-5-1/2" Coil Springs - Soft - 10# Suspension Tether Straps 115 lb/in Spring Rate

115 lb/in Spring Rate

Compact enough to fit in existing hanger assemblies without modification

big-block Chevy V8s using general duty oval-port cylinder heads

2015) against 17 competitor wideband UEGO Air/Fuel Controllers

2 x 2 in Rectangular Port

Howe Spring Rubber - Fits 5"-5-1/2" Coil Springs - Soft - 10# Suspension Tether Straps 115 lb/in Spring RateMade to fit any 5" and 5 1 2" diameter coil spring. 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 countless innovative products