PAC Racing RPM Series Valve Spring Dual Spring 392 lb/in Spring Rate 1.000" Coil Bind - 1.304" OD H774001XXL Choose Simple: Extang's redesigned soft

Choose Simple: Extang's redesigned soft tri-fold cover has a host of new features yet remains the easiest to install and simplest to use

1989-1991 Oldsmobile Cutlass Calais

Dial In Any RPM Range Between 1K And 3K

42 to the lifter valley cover flange on engine block

PAC Racing RPM Series Valve Spring Dual Spring 392 lb/in Spring Rate 1.000" Coil Bind - 1.304" OD H774001XXL Choose Simple: Extang's redesigned softProduct Description: Valve Spring RPM Series Dual Spring 392 lb in Spring Rate 1. 000 in Coil Bind 1. 304 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