Blumax Small Block Chevy Aluminum Roller Rocker Arms, 1.6:1, 7/16 Stud
Chevy Small Block V8
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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 DetailsS/B Chevy - 1.6 ratio - 7/16" stud
- 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)
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Q & A
What happens when you advance or retard a camshaft? In this tech article, we explain the pros and cons of installing your cam straight up, advancing or retarding.
Learn the basics to engine performance like; how does a cam work? What is Valve lift, duration, lobe separation angle, and cam profiles? Afterwords selecting the right camshaft will be less of a guessing game!
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Once you're ready to start selecting valve train components, we have some useful tips and tools that should boost your performance. We discuss proper valve-springs, pushrod length, and rocker arm ratios.
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