All Steel Roller-Tip Adjustable Rocker Arm Systems
Fits all 350-403 engines (except #2 heads) using RT-685 hydraulic roller tappets. 8.500 x 5/16 heavy duty pushrods. All-steel roller tip adjustable rocker arm system. Requires no machine work and will fit under most stock valve covers with oil baffles. Kit includes: screw-in studs, 5/16″ guide plates, 5/16″ heavy-duty chrome moly pushrods, 1.6:1 steel roller tip rocker arms, 3/8″ rocker balls and poly lock adjusting nuts. Allows tappet adjustment for mechanical lifters and correct preload for hydraulic lifters. NOTE: Most valve jobs are done incorrectly so an adjustable valve train is essential for maximum performance. Maximum spring pressure is 330 lbs open & maximum lift is .550″. Oil restricted pushrods can be substituted for an additional $129.00
This kit will fit Edelbrock Aluminum Cylinder Heads on big or small blocks. It includes steel roller tip rockers, 3/8″ studs & polylocks, 3/8″ hardened pushrods & guide plates. All-steel roller tip adjustable rocker arm system. Requires no machine work and will fit under most stock valve covers with oil baffles. Kit includes screw-in studs, 5/16″ guide plates, 5/16″ heavy-duty chrome moly pushrods, 1.6:1 steel roller tip rocker arms, 3/8″ rocker balls and poly lock adjusting nuts. Allows tappet adjustment for mechanical lifters and correct preload for hydraulic lifters. NOTE: Most valve jobs are done incorrectly so an adjustable valve train is essential for maximum performance. Maximum spring pressure is 330 lbs open & maximum lift is .550″. Specify application data so that correct pushrod length can be determined.
