Speedmaster Releases SBC 1.6 Ratio 3/8″ DNA Aluminum Rocker Arms

New from Speedmaster – the Chevy SBC 350 1.6 Ratio 3/8″ DNA Aluminum Roller Rocker Arm Set. These rockers are designed for superior durability and maximum strength. See more details below.

Official Release:

Speedmaster DNA roller rockers are the toughest and most innovative rockers we’ve ever made. Crafted from certified aircraft-quality, heat-treated aluminum, they’re matched to massive, precision-ground trunnions for superior durability, and optimized rocker arm geometry evenly distributes the load for maximum strength. DNA rocker arms also utilize oversized needle roller bearings for better load distribution and longer service life. Speedmaster Aluminum Stud-Mount Rockers can withstand valve spring loads up to 360Ibs, the extruded body has a tensile strength of over 60,000 PSI.

Features:

  • Aircraft-quality heat-treated aluminum
  • Precision-ground trunnions for superior durability
  • Optimized rocker arm geometry evenly distributes the load for maximum strength

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About the author

Chris McWilliams

Chris McWilliams grew up watching his dad race go-karts around his Southern Indiana home and started racing junior dragsters when he was 10 years old. Chris drove a UMP Mini Stock for two seasons until he totaled his racecar in an accident at Western Kentucky Speedway. He is currently a college student at Oakland City University working on a degree to pay the bills for his dirt racing addiction.
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