PAC Racing RPM Series Valve Spring Single Spring/Damper 540 lb/in Spring Rate 1.115" Coil Bind - 1.260" OD DX2140K Extra Strength - Heavy Duty

Extra Strength - Heavy Duty Shank

Starter button w/ weatherproof cover and 2 terminals

Derale has been the leader in performance cooling for decades

31 in Rectangular Port

270 in Springs

PAC Racing RPM Series Valve Spring Single Spring/Damper 540 lb/in Spring Rate 1.115" Coil Bind - 1.260" OD DX2140K Extra Strength - Heavy DutyProduct Description: Valve Spring RPM Series Single Spring Damper 540 lb in Spring Rate 1. 115 in Coil Bind 1. 260 in OD Set of 16 PAC Racing Springs is part of the Race Winning Brands Family. With more than 100 years of spring manufacturing experience. We understand the demands of racing and provide a commitment to all of our customers to provide the best service possible. We continue to expand products and offer expanded onsite technical services at