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1/2-Inch Rocker Stud and Trunion Retro-Fit Kit Kit Includes: 1/2" ARP Studs
InfoVehicle Info Needed
COMP CAMSPART NUMBER: 249-13706-KIT

1/2-Inch Rocker Stud and Trunion Retro-Fit Kit Kit Includes: 1/2" ARP Studs

$57095
ShippingShips on Oct 28, 2026
Lowest PriceLowest Price Guarantee
Currently Unavailable

This product is currently not available. Please call customer service for assistance at 1-800-345-4545.

Retro-Fit Kit
    1/2-Inch Rocker Stud and Trunion Retro-Fit Kit
    Kit Includes:
  • 1/2" ARP Studs
  • 1/2" Replacement Trunions
  • 1/2" Replacement Polylocks
  • New Replacement Bearings
  • New Replacement Snap Rings

  • Provides Stiffer Valve Train To Achieve Maximum Motion
  • Perfect Choice For Rules Packages That Do Not Allow Stud Girdles
  • Incl. All Parts/Pieces To Switch Over To New Studs
  • Can Be Used To Retro-Fit Old Pro Magnum Rockers
  • Can Be Used To Retro-Fit Old Hi-Tech Stainless Steel Rockers
    Upgrade your Ultra Pro Magnum and Ultra Pro Magnum XD rockers to 1/2" studs with this kit. Complete with trunnions, bearings, snap rings, polylocks and studs, this kit can upgrade any of our Ultra Pro Magnum/XD rockers.
Part TypeRocker Arm Stud
BrandCOMP CAMS
Package Height1.75
Package Width3.75
Package Length12.65
Weight3.7 PG
Part CategoryPerformance Parts
Base Thread Size (In.)7/16-14
Guideplate Locator ShankYes
Rocker Arm Nut Thread Size (In.)1/2"-20
QuantitySold as a kit
Part FitmentSemi Universal
Rocker Arm Nut Thread Length0.865 in (22 mm)
Engine Make/SizeChevy Small Block
Effective Stud Length1.75 in (44.45 mm)
Base Thread Length0.75 in (19.05 mm)
Vendor Part Number13706-KIT
Package Qty1
Package TypeEA
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