BTR: LS .660 Double Spring Kit Locator:.505" ID .045 Thick circle track

circle track

1-approved and made from premium A36 steel plate material

The resulting grain structure within the alloy of the wheel is linear

- Forged 1 Piece and 3 Piece Designs

4" h and the tool chest can detach for a portable tool box

BTR: LS .660 Double Spring Kit Locator:.505" ID .045 Thick circle trackDetails THESE ARE FOR STOCK ROCKERS . 660" Lift Platinum Spring Kit SP001 SK001 springs are designed for use with stock rockers. Heavier roller rockers require more spring pressure to maintain control of the valve train. We recommend our SP002 SK002 for roller rocker applications. Locator STANDARD SIZE, Stock Guides . 505" ID . 060" Thick