KPMI, valve spring kit. .400" lift. Steel top collars - 57-E83 XL (NU) 954246 Radially-laced design gives the wheels

Radially-laced design gives the wheels a very unique look

provides a strong and lasting threated portion to thin sheet metal

1x 6775 shim

Engine is stock 3-1/2" bore x stock 4-1/4" stroke giving stock 80" (1340cc) displacement

KPMI, valve spring kit. .400" lift. Steel top collars - 57-E83 XL (NU) 954246 Radially-laced design gives the wheelsReduces total valve train mass. Great for OEM rebuilds with stock specifications. The springs are manufactured from the highest quality clean chrome silicone wire, shot peened and heat treated for maximum fatigue life. Kit includes springs, upper collars, lower collars, and valve keys. Max valve lift: . 400. Installed height: 1. 245". Seat pressure 95 lbs. Open pressure: 330 lbs. @ . 400 valve lift.