Edelbrock part #77770 Red Roller Rocker arms are designed for small block Chevy's using 3/8" studs. This 1.5:1 Ratio, set of 16 rockers are manufactured in the USA from lightweight 7129 grade aluminum. The body is CNC machined then micro polished and anodized for durability. The trunnion race, roller pin and roller tip are centerless ground for superior quality. A high quality Torrington needle bearing fulcrum combined with a roller tip ensure smooth operation and performance. The full body design will accommodate up to 1.65" diameter springs. Thick-walled adjusting nuts and 4140 steel poly locks are included.
| Application |
Application Specific |
| UPC |
00085347777709 |
| Maximum Spring Outside Diameter |
1.65 in |
| Maximum Spring Outside Diameter |
1.65 in |
| Quantity |
Set of 16 |
| Self Aligning |
No |
| Rocker Arm Finish |
Red Anodized |
| Rocker Arm Nut Type |
Poly Lock |
| Rocker Arm Ratio |
1.5:1 |
| Rocker Arm Type |
Full Roller |
| Slot Width |
1.457 in |
| Stud Thread Diameter |
0.375 in |
| Shims Included |
No |
| Availability Note |
Available to Order |
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| Installation Notes |
- Rocker geometry should be checked, making sure that the contact point of the roller remains properly on the valve tip and does not roll off the edge. Visual inspection of the rockers, valve springs, retainers, and pushrods should be made to ensure that none of these components come into improper contact with each other. If problems with valve train geometry occur, changes such as pushrod length may have to be made.
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| Material |
Aluminum |
| Mounting Type |
Stud |
