HOWARDS MAX EFFORT S/B CHEVY VALVE TRAIN SPRINGS KIT

DEL-TRON PRODUCTS Howard Max Effort SBC valve train kit

Part No. DEL-HRC98212-K12

Howards racing components valve train kit for SBC Gen 1 applications. racing series that require standard 1.265" diameter valve springs. Chrome moly black retainers with 10 degree valve locks Plus 0.035" install height square groove, standard 11/32" stems. Flat tappet hydraulic or solid camshafts applications (6800-7000 rpms.)

Spring Style (Standard 1.265" O.D.)

Spring Quantity (Single Spring)

Damper (yes)

Spring Rate (425 lb/in)

Coil Bind Height (1.15 in)

Installed Height (1.780 in)

Outside Diameter of Outer Spring (1.265 in)

Inside Diameter of Outer Spring (0.876 in)

Maximum Valve Lift (0.550 in)

Seat Load (LBS) (115 lbs)

Seat Load At (in) (1.780 in)

Open Load (LBS) (340 lbs)