HOWARDS RACING COMPONENTS 1.207 Valve Spring Kit GM LS Beehive Design- 98112-K1

HOWARDS RACING COMPONENTS 1.465 Valve Spring Kit Dual w/Damper 1.465- 98438-K34

HOWARDS RACING COMPONENTS Dual Valve Springs - 1.514- 98636

Howards Racing Components Dual Valve Springs 98632, 413 lb/in Spring Rate

HOWARDS RACING COMPONENTS Dual Valve Springs - 1.500- 98541

Howards Cams Inc 98213 K12 1 265 Valve Spring Kit Single W Damper

HOWARDS RACING COMPONENTS 1.514 Dia. Dual Valve Spring Kit w/Damper- 98636-K11

Howards Racing Components Valve Spring Set - 16pcs, 430 lb/in, Part 98215