PAC Racing 1300 Series Valve Spring Dual Spring 436 lb/in Spring Rate 1.190" Coil Bind - 1.374" OD AS02221 The highly efficient tube to

The highly efficient tube to fin bond in the Howe core provides for maximum heat transfer and dissipation

A locking set screw holds filter in place

Chassis set-up blocks are adjustable in 1/4" increments

Eliminates the necessity of routing multiple wires to the CS / CTS Monitor

MSD Start and Step Timing Retard Control 8987 Digitally Controlled

PAC Racing 1300 Series Valve Spring Dual Spring 436 lb/in Spring Rate 1.190" Coil Bind - 1.374" OD AS02221 The highly efficient tube toProduct Description: Valve Spring 1300 Series Dual Spring 436 lb in Spring Rate 1. 190 in Coil Bind 1. 374 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 various