PAC Racing RPM Series Valve Spring Dual Spring 409 lb/in Spring Rate 1.000" Coil Bind - 1.290" OD RS004C1512 And we haven’t stopped

And we haven’t stopped

8 US quarts of fluid capacity with 30% improved cooling efficiency over the stock trans pan using K-Alloy cast alum with internal and external cooling

Microglass Element

lightweight aluminum to reduce alternator bearing loads

PAC Racing RPM Series Valve Spring Dual Spring 409 lb/in Spring Rate 1.000" Coil Bind - 1.290" OD RS004C1512 And we haven’t stoppedProduct Description: Valve Spring RPM Series Dual Spring 409 lb in Spring Rate 1. 000 in Coil Bind 1. 290 in OD GM LS Series 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