AFR Dual Valve Spring - 450 lb/in Spring Rate - 1.080" Coil Bind - 1.270" OD R090003S while increasing the load capacity

while increasing the load capacity by 10%

and a helmet eject system

the shaft should be dimple drilled to help pilot set screws and help prevent the assembly from sliding apart

Fuel Injector

AFR Dual Valve Spring - 450 lb/in Spring Rate - 1.080" Coil Bind - 1.270" OD R090003S while increasing the load capacityProduct Description: Valve Spring Dual Spring 450 lb in Spring Rate 1. 080 in Coil Bind 1. 270 in OD AFR Cylinder Heads Replacement Sold Individually Advanced FLOW engineering (aFe Power) is a premier designer and manufacturer of automotive performance upgrade systems and components. Current product lines include cold air intake systems, high performance direct fit and racing air filters, exhaust systems, intercoolers, turbochargers, electronic