1.8:1 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 with modifications
Stainless Steel Roller Rocker Arm, LS, 1.8:1, 0.375 Inch Speedway Motors
Stainless Steel Roller Rocker Arm, LS, 1.8:1, 0.375 Inch
Sku # 91511785
Mfr. Part # 91511785
Condition
New
Brand
Speedway Motors
Sold
Set
Details
  • 1.8:1 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
  • Requires guide plates and 3/8" studs installed in the heads
  • Do not clear stock valve covers
Specs
Rocker Arm Style
Roller
Rocker Arm Ratio
1.8:1
Stud Size
.375"
Stud Diameter
0.38"
Rocker Arm Nut Style
Polylock
Material Type
Stainless Steel
MFG. Part #
91511785
Sold in Quantity
Set
Reviews

Looks like good quality for the money.

Rated
Product Rating
by dangerouslyhandydad on December 08, 2024

Summary: So far so good, only time and rpm will tell how it all falls out. High hopes for next summer. easy install, good packaging.

Yes, I recommend this product.

Good product

Rated
Product Rating
by Big Mike on March 12, 2020

Summary: Decent quality, not sure I would use them in a high performance motor. But I used these in my beefed up daily driver and it perform just fine.

Yes, I recommend this product.

Related Items / Suggested Parts
Stainless Steel Roller Rocker Arms and Valve Spring Kit, LS
Stainless Steel Roller Rocker Arms and Valve Spring Kit, LS
Tech Support
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About
Speedway Motors is America’s Oldest Speed Shop® and has been a trusted source for specialty rodding and racing products and friendly expert advice for more than 74 years. Founded in 1952 by “Speedy” Bill Smith – a racer and street rodder himself – Speedway has grown from a one-man operation to become the world’s largest manufacturer, distributor and retailer of street rod and racing products. Our industry-leading fast delivery is the result of same-day shipping from our state-of-the-art, centrally located 500,000 sq. ft. headquarters. Speedway’s size offers customers unmatched product selection and low pricing, while our excellent technical support and customer service have made us a recognized leader in the rodding and racing industries.