Howe Spring Rubber - Fits 5"-5-1/2" Coil Springs - Hard - 20# 4000501 maximum advance or retard

maximum advance or retard

1/8" NPT compression fittings

Measures 4 3/8 x 5 3/8-inches with 3 pleats

8 AN Male to 3/8 in NPT Male Swivel

Howe Spring Rubber - Fits 5"-5-1/2" Coil Springs - Hard - 20# 4000501 maximum advance or retardMade 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