Howe Spring Rubber - Fits 5"-5-1/2" Coil Springs - Soft - 10# 4101BK 1963-1974 Pontiac LeMans

1963-1974 Pontiac LeMans

a built-in carrying handle and tray

3-1/2 in Collector

227 cc Intake

1965-1985 Cadillac Fleetwood

Howe Spring Rubber - Fits 5"-5-1/2" Coil Springs - Soft - 10# 4101BK 1963-1974 Pontiac LeMansMade 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