Shaft-mounted Pro Street rocker arms mount both the intake and exhaust to a common shaft, increasing clamping load significantly and allowing up to 600 lbs. of maximum open spring pressure. CNC-machined, billet aluminum adjustable rocker arms are fit with chrome moly steel roller tips and oversize caged bearings for maximum durability. Sold in sets of 16 with necessary hardware.
- Mounting Style:
- Shaft
- Ratio:
- 1.70
- Style:
- Full roller
- Stud Size:
- 8 mm Bolts
- Shims Included:
- No
- Material:
- Aluminum
- Self-Aligning:
- No
- Body Style:
- Billet
- Nut Style:
- N/A
- Slot Width (in.):
- N/A
- Maximum Spring Diameter (in.):
- 1.437 in.
- Finish:
- Natural
- Fasteners Included:
- Yes
- Quantity:
- Sold as a kit.
- Notes:
- Requires YTRYT5123 25 mm valve cover spacer.
- Make:
- Chevrolet
- Engine Family:
- Chevy small block Gen III/IV (LS-based engines)
- Cylinder Head Style (application):
- LS1/LS2
