Blumax Small Block Chevy Aluminum Roller Rocker Arms, 1.6:1, 3/8 Stud

Description

Built from the finest 6061 aluminum to give you superior strength over other rockers, Built to clear 1.55" valve springs, Includes polylocks
Blumax Small Block Chevy Aluminum Roller Rocker Arms, 1.6:1, 3/8 Stud
Sku # 57533504
Mfr. Part # 57533504
Condition
New
Brand
Speedway Motors
Sold
Set
Details
Info
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 - 1.6 Ratio - 3/8" Stud
Application
This Part Fits
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)
WARNING: Cancer and Reproductive Harm -- p65Warnings.ca.gov
California Customers: This part has been identified as emissions sensitive and can only legally be installed on race-use only vehicles, off-road-use only vehicles, or pre-1965 vehicles in the State of California in accordance with the California Air Resource Board (CARB) requirements. Once your order is placed you will be contacted by Speedway Motors within 2 business days so that you can certify that you will only use such parts on these types of vehicles in California.
Specs
MFG. Part #
57533504
Reviews
Great product for a great price
Rated
by SteveH on February 17, 2021
Summary:
My wife caught me standing in the garage just admiring these rocker arms after I installed them. I wish I had clear plastic valve covers! They look great, quality looks great too, and they fit perfectly on my SBC 350 with newly installed Flotek aluminum cyl heads. Stock pushrod length was fine; no changes needed. Fired it up for the first time last night and no issues. Originally l was going to go with cheap stamped steel rockers, but I'm glad I spend a little extra $$ for these. Why not gain some extra HP from the full rollers and also a few extra from the 1.6 ratio! Very happy with them; would buy them again.
Pros:
Fast delivery
Looks great
Perfect
Yes, I recommend this product.
Related Items / Suggested Parts
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Blumax Small Block Chevy Aluminum Roller Rocker Arms, 1.6:1, 7/16 Stud
Blumax SBC Aluminum Roller Rocker Arms, Split Ratio, 3/8 Stud
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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 69 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.
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