Australia-wide shipping on performance, 4x4 and vehicle-specific upgrades.

COMP Cams Trunnion Kit1/2inUpm Type Rocker

SKU: CCA13706-KIT

Rocker Arm Studs

CCA Trunion Kits...

COMP Cams Trunnion Kit1/2inUpm Type Rocker

SKU: CCA13706-KIT

Rocker Arm Studs

CCA Trunion Kits...

A$1,151.77
Available from MFR. This item is available from the manufacturer's distribution centre. The dispatch timeframe shown is an estimate based on historical order processing and release times for this part. This item is not held in our own warehouse, and actual dispatch timing may vary depending on manufacturer workload and logistics at the time of ordering.
View cart
We accept
American Express
Mastercard
Visa
PayPal Checkout
Direct Deposit
Afterpay
Apple Pay
Google Pay
Zip Pay

Description

This new 1/2" Rocker Stud and Trunnion Retro-Fit Kit greatly increases the stiffness and stability of any SBC or BBC Ultra Pro Magnumâ„¢ or Ultra Pro Magnumâ„¢ XD Rocker valve train far beyond that of a 7/16" Stud.The COMP Cams 1/2" Rocker Stud and Trunnion Retro-Fit Kit provides a stiffer valve train to achieve maximum valve motion in SBC or BBC engine Applications utilizing Ultra Pro Magnumâ„¢ or Ultra Pro Magnumâ„¢ XD Rocker Arms. It is good for anyone looking for more stiffness with Stud mount Rockers. The kit was originally designed for Applications competing in the NHRA Stock Eliminator class, but it is a great choice for anyone whose sanctioning body's rules do not allow Stud girdles. Featuring 1/2" ARP Studs 1/2" replacement trunnions, 1/2" replacement polylocks, new replacement bearings and new replacement snap rings, the kit includes everything required to switch over to the new Studs and freshen and rebuild your Rockers at the same time. The COMP Cams 1/2" Rocker Stud and Trunnion Retro-Fit Kit can also be used to retro-fit old Pro Magnumâ„¢ or old Hi-Tech Stainless Steel Rockersâ„¢ Provides a stiffer valve train to achieve maximum valve motion in SBC or BBC engines featuring Ultra Pro Magnumâ„¢ or Ultra Pro Magnumâ„¢ XD Rockers Designed first for NHRA Stock Eliminator

Product Overview

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.

Product Details

Amazon ASIN:B00CWZV4YC
C.A.R.B. E.O. Number:N/A
C.A.R.B. Exempt for California Certified Vehicles Manufactured Before 1965?:Yes, but must meet tailpipe emission standards for year of vehicle.
C.A.R.B. Exempt for Federally Certified Vehicles Manufactured Before 1967?:Yes, but must meet tailpipe emission standards for year of vehicle.
C.A.R.B. Exempt for Foreign Vehicles Manufactured Before 1967?:Yes, but must meet tailpipe emission standards for year of vehicle.
C.A.R.B. Exempt for On-Road Vehicles?:Yes
C.A.R.B. Exempt for Racing and Off-Road Only Vehicles?:Yes, but must be a race/competition only vehicle.
C.A.R.B. Exemption Reason:No impact on pollution output of vehicle.
California Proposition 65:WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov
Description:1/2" Stud Upgrade Kit for Ultra Pro Magnum and Ultra Pro Magnum XD Rockers
Engine Family:Universal
Part Number:cca13706-KIT
Rocker Arm Series:Ultra Pro Magnum
Rocker Stud Diameter:1/2
Title:1/2" stud Upgrade Kit for Ultra Pro Magnum and Ultra Pro Magnum XD Rockers

Part Type

Engine Rocker Arm Stud

Data: v4.2 - Upd: 2026-10-13 17:49:20

Specifications

Product Attributes - Brand
COMP Cams
Product Attributes - Manufacturer's Part Number
13706-KIT
Product Attributes - Part Type
Rocker Arm Studs
Product Attributes - Product Line
COMP Cams 1/2 in. Rocker Stud and Trunnion Retrofit Kits
Product Attributes - UPC
036584262732
Product Attributes - Base Thread Size
7/16 in.-14
Product Attributes - Rocker Arm Nut Thread Size
1/2 in.-20
Product Attributes - Rocker Arm Stud Material
Alloy steel
Product Attributes - Guideplate Locator Shank
Yes
Product Attributes - Rocker Arm Nut Thread Length (in.)
0.865 in.
Product Attributes - Effective Stud Length (in.)
1.750 in.
Product Attributes - Base Thread Length (in.)
0.750
Product Attributes - Quantity
Sold as a kit.
Product Attributes - 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.

Reference Information

Brand Name/s Comp Cams
StreetFX SKU cca13706-KIT
SFX Item ID 4118923
Supplier Item Code 4118923
Manufacturer SKU 13706-KIT
Manufacturer UPC 36584262732
Alternative References Kit1/2inUpm

Compatibility

Loading compatibility information...

Keep shopping

More from Comp Cams