Popular LS1 Valve spring finds new home at Crow Cams

Without doubt the most popular valve spring to enter the LS1 performance market is the conical ovate wire design marketed in Australia under part number 918.

Due to a change in buying arrangements, the manufacturer of this spring in the USA has now teamed with Crow Cams to maintain supply of this original, well proven performance valve spring design to LS1 enthusiasts in Australia.

Crow Cams will sell this spring under part number 4918 and the new addition compliments Crow Cams existing entry level 4231 conical spring and the 4438-16 double spring. Details on the full range of Crow Cams LS1 valve springs are as follows:

Part Number Specifications

4231 Conical ovate wire 105 lbs seat .550 maximum lift

4918 Conical ovate wire 130 lbs seat .600 maximum lift