PAC Racing RPM Series Valve Spring Dual Spring 409 lb/in Spring Rate 1.000" Coil Bind - 1.290" OD BR20073 040" pistons

040" pistons

Printoseal

1/2" Thick open spacer for Holley 4150/4160

Rubber bumper can be trimmed for adjustment

PAC Racing RPM Series Valve Spring Dual Spring 409 lb/in Spring Rate 1.000" Coil Bind - 1.290" OD BR20073 040" pistonsProduct 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