Gorilla Rocker Shaft and Arp Bolt Kit – 5/16″-18 x 2 3/4″ – Early Twin Cam / Evolution / XL
- Precision ground from 4140HT steel, gas nitrided and final surface treated
- Kit includes four Gorilla shafts and eight ARP bolt kits
- Made in the USA
Notes
- Recommended for all Twin Cam engines and especially for engines running higher lift camshafts and heavier valve spring pressures.