Howe Spring Rubber - Fits 5"-5-1/2" Coil Springs - Hard - 20# 4000501 8 AN Male to 3/8

8 AN Male to 3/8 in NPT Male Swivel

and run our decal

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

1/8" NPT compression fittings

Drive by Wire

Howe Spring Rubber - Fits 5"-5-1/2" Coil Springs - Hard - 20# 4000501 8 AN Male to 3/8Made 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