Harland Sharp AMC V8 5/16" 290-401 Pedestal Mount Roller Rocker Arms, 1.6 Ratio, Aluminum

Harland Sharp AMC V8 5/16" 290-401 Pedestal Mount Roller Rocker Arms, 1.6 Ratio, Aluminum Notes: This rocker system is capable of handling 350lbs. of open pressure before the 5/16 bolt will fail, If you are running an application beyond this, It is recommended you install 7/16 rocker studs and guide plates. And use our S4004-7 AMC rocker setup.
Specs:
Rocker Arm Mounting Style: Pedestal
Self-Aligning: No
Rocker Arm Ratio: 1.6
Stud Size: 5/16 in.
Maximum Spring Diameter (in.): Stock
Rocker Arm Style: Full roller
Shaft Diameter (in.): 0.750 in.
Shims Included: No
Rocker Arm Material: Aluminum
Rocker Arm Body Style: Standard
Rocker Arm Fasteners Included: Yes
Rocker Arm Nut Style: Polylock
Slot Width (in.): 0.562 in.
Rocker Arm Finish: Orange anodized
Quantity: Sold as a set of 16. Fits:
1974 to 1991 290-401 AMC V8 Special Notes:
This rocker system features Cage guided needle bearings, 3/4 diameter rocker shafts, 7/16 internal oil adjusters and all the necessary hardware for a complete install. If you changed camshafts or machined the block and heads you may have to change your pushrod length, always check before installing. Designed to replace the factory style rocker system, without machine work