Isky Cams RAD-9000 Valve Spring Dual Spring/Damper 650 lb/in Spring Rate 1.150" Coil Bind - 1.600" OD MT125BK Includes front duckbill to enhance

Includes front duckbill to enhance aerodynamic performance

DuraGrip HD

Soft neoprene foam material used for adding an extra seal between the air filter and the lid and base of an air cleaner assembly

WirelesAIR 2nd Generation

Isky Cams RAD-9000 Valve Spring Dual Spring/Damper 650 lb/in Spring Rate 1.150" Coil Bind - 1.600" OD MT125BK Includes front duckbill to enhanceProduct Description: Valve Spring RAD 9000 Dual Spring Damper 650 lb in Spring Rate 1. 150 in Coil Bind 1. 600 in OD Set of 16 As the world's largest racing, performance, and economy cam manufacturer, Isky maintains a dynamometer testing program for constant improvement of camshaft and valve train design. These tests are conducted daily in Isky's new enlarged dyno facility. To properly evaluate and prove the efficiency of Isky racing cams and valve