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COMP Cams 1/2 in. Rocker Stud and Trunnion Retrofit Kits 13706-KIT
Part Number: CCA-13706-KIT
COMP Cams 1/2 in. Rocker Stud and Trunnion Retrofit Kits
Rocker Arm Studs, Steel Alloy, 7/16-14 in. Base Thread, 1.75 in. Effective Stud Length, Kit
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Estimated Ship Date: Oct 30, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
13706-KIT
Part Type:
Product Line:
Summit Racing Part Number:
CCA-13706-KIT
UPC:
036584262732
Base Thread Size:
7/16 in.-14
Rocker Arm Nut Thread Size:
1/2 in.-20
Rocker Arm Stud Material:
Alloy steel
Guideplate Locator Shank:
Yes
Rocker Arm Nut Thread Length (in.):
0.865 in.
Effective Stud Length (in.):
1.750 in.
Base Thread Length (in.):
0.750
Quantity:
Sold as a kit.
Notes:
Designed to to fit COMP Cams Ultra Pro Magnum or Ultra Pro Magnum XD rocker arms. Includes 1/2 in. trunions, 1/2 in. polylocks, new bearings and new snap rings.
COMP Cams 1/2 in. Rocker Stud and Trunnion Retrofit Kits
COMP Cams 1/2 in. rocker stud and trunnion retrofit kits provide a stiffer valvetrain to achieve maximum valve motion in SBC or BBC engine applications utilizing COMP Cams Ultra Pro Magnum or Ultra Pro Magnum XD rocker arms. They were originally designed for applications competing in the NHRA Stock Eliminator class, but are a great choice for anyone whose sanctioning body's rules do not allow stud girdles. The kits feature 1/2 in. ARP rocker arm studs, 1/2 in. trunnions, 1/2 in. polylocks, new bearings, and new snap rings. They include everything required to switch over to the new studs and freshen and rebuild your rockers at the same time. The COMP Cams 1/2 in. rocker stud and trunnion retrofit kits can also be used to retrofit COMP Cam Pro Magnum or Hi-Tech stainless steel rocker arms.
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