Popular with street and strip enthusiasts, Magnum roller rockers have a low-friction roller tip to reduce valve tip and guide wear. A stiffer cross section prevents flex and increases valve lift (good for 15-30 more horsepower). Available as sets, half sets, or singles.
- Mounting Style:
- Stud
- Ratio:
- 1.65
- Style:
- Roller tip
- Stud Size:
- 7/16 in.
- Shims Included:
- No
- Material:
- Chromoly
- Self-Aligning:
- No
- Body Style:
- Standard
- Nut Style:
- Self-locking
- Slot Width (in.):
- N/A
- Maximum Spring Diameter (in.):
- 1.500 in.
- Finish:
- Natural
- Fasteners Included:
- Yes
- Slot Style:
- Long
- Quantity:
- Sold as a set of 16.
- Notes:
- Includes 7/16 in. pivot balls, 3/8 in. and 7/16 in. nuts.
- Make:
- Pontiac
- Engine Family:
- Pontiac V8
- Engine Sizes:
- 4.3L/260-7.5L/455
- Years:
- 1957-1981
