PRW (3335003): PQx Series Aluminum Shaft Rocker Arm Systems for Small Block Chevy 262-400, 1.60 Ratio

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These Performance Quotient Series aluminum rocker arms from PRW are made from 6061-T6 or Series 7000 2024 aircraft-quality aluminum alloy extrusions. Each rocker body is relieved for extra valve spring clearance and anodized for added strength. CNC-machined billet steel pedestals, ground steel alloy rocker shafts, PRW SCM-4135 alloy steel fasteners, and needle roller bearings from the finest manufacturers in the world comprise the foundation of these rocker arm systems. Includes all components and hardware required for a professional installation.


  • Steel pedestal stand.
  • 8 pairs of shaft-mounted rockers with cup-style valve lash adjusters.
  • Shims and related fasteners/hardware.
  • Rated 750 lb. open spring pressure.
  • Internal oiling system for lasting performance.
  • Full complement of SAE 42100 precision needle and cage roller bearings.

For more information contact a Karbelt Pickering sales rep

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