Penske Shock Valve Disc - 0.900 x 0.008" - Steel - Penske Shocks (Set of 10) 29115BK Note that there is no

Note that there is no mechanical advance

27-1/2 x 17-1/2 in

This can also be used with the Edelbrock 4BBL Performer intake

38 in Compressed / 20

Available with a 4150 or 4500 series carburetor flange

Penske Shock Valve Disc - 0.900 x 0.008" - Steel - Penske Shocks (Set of 10) 29115BK Note that there is noProduct Description: Shock Valve Disc 0. 900 x 0. 008 in Steel Penske Shocks Set of 10 Penske Racing Shocks recognized that racing put very different demands on shocks compared to road use, and spent years of research and development to develop a line of shocks built specifically for circle track, drag, and powersport applications. Penske offers high performance shocks, shock components, and related parts like coil over kits and bump stops.