Harland Sharp Big Block Mopar 7/8" Shaft Mount Roller Rocker Arms, 1.5 Ratio, for TFS Powerport Heads and Edelbrock RPM

Harland Sharp Big Block Mopar 7/8" Shaft Mount Roller Rocker Arms, 1.5 Ratio, for TFS Powerport Heads Notes: Fits Edelbrock RPM, Trick Flow and 440 Source "Stealth" cylinder heads only.
Specs:
Rocker Arm Mounting Style: Shaft
Self-Aligning: No
Rocker Arm Ratio: 1.5
Maximum Spring Diameter (in.): 1.650 in.
Rocker Arm Style: Full roller
Shaft Diameter (in.): 0.875 in.
Shims Included: No
Rocker Arm Material: Aluminum
Rocker Arm Body Style: Standard
Rocker Arm Fasteners Included: No
Rocker Arm Finish: Orange anodized
Quantity: Sold as a kit. Fits:
Only fits Edelbrock RPM, Trick Flow and 440 Source "Stealth" cylinder heads. Special Notes: 
Harland Sharp Mopar kits are designed for extreme applications with valve springs up to 1.650 diameter and .900 lift cams. The 7/16-20 x 5/16 ball adjusters are designed for use with the factory style pushrods, length to be determined after you have rockers installed.  Picture #3 Explanation:
Designed Specifically for the Trickflow 240 or 270 Heads the "KE" Series Rockers have improved valve stem alignment due to the rollers being moved inward towards the centerline .040  

Instructions