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Product Summary

LM4, LQ4, LQ9, LS1, LS2, LS3, LS6, LS7, LS9

  • Manufactured from high-quality steel
  • Features fiction-reducing needle bearings
  • Withstands spring pressures up to 700 lbs
  • Chrome-moly push Rods recommended
  • Fits GM LS engine applications

Key Specs

MFG. Part #91511784
Rocker Arm StyleRoller
Rocker Arm Ratio1.7:1
Stud Size0.375"
Material TypeStainless Steel

Need To Know

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Speedway Motors 91511784 Details

  • 1.7:1 ratio with 3/8" stud diameter
  • Extra large full needle bearing trunnion
  • Withstands spring pressures up to 700 lbs
  • Chrome-moly push Rods recommended
  • Fits GM LS engine applications
  • Set of 16 rocker arms and poly locks
  • Not self-aligning style
  • Will require use of screw in rocker studs and guide plates

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.

Speedway Motors 91511784 Specifications

KEY SPECS
MFG. Part #91511784
BrandSpeedway Motors
Rocker Arm StyleRoller
Rocker Arm Ratio1.7:1
Stud Size0.375"
Material TypeStainless Steel
GENERAL
Rock Arm Ratio1.7
Stud Diameter0.375"
Rocker Arm Nut StylePolylock
Sold in QuantitySet
Self-AligningNo