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Product Summary

Chevy Small Block V8

  • Built from the finest 6061 aluminum to give you superior strength over other rockers
  • Built to clear 1.55" valve springs
  • Includes polylocks

Key Specs

MFG. Part #57533509
BrandSpeedway Motors

Need To Know

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Details

BluMax aluminum roller rockers are built of the finest 6061 aluminum extrusions which gives you superior strength over other rockers. Rockers are specially machined to allow for larger 1.55" springs and retainers with full-cage friction reducing needle bearings for added durability. The nose rollers and shafts are Cr40 steel, heat-treated and hardened to minimize the wear that naturally occurs between the roller tip and the valve stem.

  • Designed to meet the demands of most high-lift roller camshaft profiles
  • Specially machined to accommodate larger valve springs and retainers
  • SAE-52100 Full complement precision needle and cage roller bearings
  • Anodized for a superior finish and to reduce operating temperatures
  • CNC machined pushrod cups and heat-treated Cr40 roller tips
  • Internal oiling system for long lasting performance
  • H.D. Polylocks included

Item Details

S/B Chevy - 1.5 Ratio - 7/16" Stud

Application

  • 262 V8 (1975-76)
  • 265 V8 (1955-57)
  • 267 V8 (1979-82)
  • 283 V8 (1957-67)
  • 302 V8 (1967-68)
  • 305 V8 (1976-86)
  • 307 V8 (1968-73)
  • 327 V8 (1962-69)
  • 350 V8 (1967-86)
  • 400 V8 (1970-80)

CARB Warning

For race/ off road use or for use on pre-1966 vehicles.

Emissions warning: this part only legal for sale or use in California for racing (competition) vehicles which may never be used, registered, or licensed for use upon a public highway, or if installed in vehicles model-year 1965 or older; motorcycles model-year 1977 or older; or off-highway recreational vehicles (such as off-road motorcycles and all-terrain vehicles) model-year 1996 and older. Any other use renders the vehicle tampered and not legal for use on California public highways (any public street or roadway, public dirt road, public park, or publicly maintained right of way open to the use of the public for vehicular travel). Violations subject to $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and the laws of all other states with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine.

Specifications

KEY SPECS
MFG. Part #57533509
BrandSpeedway Motors