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#57523509
Small Block Chevy Stainless Steel Roller Rocker Arms, 1.5:1, 7/16 Stud
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- Built of 15-5PH material for superior strength
- Have more needle bearings to increase strength while reducing friction
- Built to clear 1.55" valve springs and includes polylocks
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$324.87
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$329.92
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Product Summary
Chevy Small Block V8, Roller Rocker Arm Style, Natural
- Built of 15-5PH material for superior strength
- Have more needle bearings to increase strength while reducing friction
- Built to clear 1.55" valve springs and includes polylocks
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Key Specs
MFG. Part # | 57523509 |
Rocker Arm Style | Roller |
Rocker Arm Ratio | 1.5 |
Stud Size | 0.4375" |
Material Type | Stainless Steel |
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Return PolicySpeedway Motors 57523509 Details
Speedway Motors 57523509 Details
These small block Chevy stainless steel roller rockers are built of 15-5PH material which gives you superior strength over other stainless rockers. They have more needle bearings which increases strength while reducing friction. Built to clear 1.55" valve springs.
- Designed for higher open valve spring pressures
- Strong 15-5PH stainless steel
- Specially cast and machined for larger valve springs and retainers
- Light weight with integral pushrod seat
- Oversize trunions and full roller precision needle and cage bearings
- More needle bearings for increased performance and rocker life
- CNC machined pushrod cups and heat-treated Cr40 roller tips
- Internal oiling system for long lasting performance
- H.D. Polylocks included
Application
- 265 V8 1955-1957
- 267 V8 1979-1982
- 283 V8 1957-1967
- 302 V8 1967-1968
- 305 V8 1976-1986
- 307 V8 1968-1973
- 327 V8 1962-1969
- 350 V8 1967-1986
- 400 V8 1970-1980
CARB Warning
For race/ off road use or for use on pre-1966 vehicles.
CARB Warning
For race/ off road use or for use on pre-1966 vehicles.
Speedway Motors 57523509 Specifications
Speedway Motors 57523509 Specifications
KEY SPECS | |
---|---|
MFG. Part # | 57523509 |
Brand | Speedway Motors |
Rocker Arm Style | Roller |
Rocker Arm Ratio | 1.5 |
Stud Size | 0.4375" |
Material Type | Stainless Steel |
GENERAL | |
Speedway Motors Catalog Part # | 575-23509 |
Rock Arm Ratio | 1.5 |
Stud Diameter | 0.4375" |
Rocker Arm Nut Style | Polylock |
Finish | Natural |
Sold in Quantity | Set |
Thread Pitch | 7/16"-20 |
Self-Aligning | No |