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Engines and Components› Camshafts and Valvetrain
COMP Cams
COMP Cams Trunnion Kit LS-Type Rocker Retrofit
SKU: C007 13702-KIT
Advanced — 4+ hours
Overview
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Part #: 13702-KIT
Upgrades stock LS Series Rocker arms with captured Roller trunnions for modified applications. NASCAR spec LS engine proven to increases stability and stiffness.
Our trunnion upgrade kit converts a stock LS series rocker arm into a captured trunnion for increased stability and stiffness. Compatible with stock geometry, our trunnion kit can be performed in 30 minutes with a C-clamp or a bench vise.
This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
Vehicle Symptoms
- ticking or clicking noise from valve cover area
- misfire under hard acceleration at high RPM
- rough idle after sustained high-rpm driving
- loss of top-end power during pulls
- metal shavings found in oil after rocker failure
Diagnostic Codes
- P0300 – Random or multiple cylinder misfire Det
Relevant Conversations
- LS rocker arm ticking noise after cam install
- P0300 random misfire LS1 possible rocker trunnion failure?
- COMP Cams 13702-KIT retrofit trunnion kit review
- LS trunnion upgrade vs CHE trunnion kit which is best
- How to install COMP Cams LS rocker arm trunnion bearings
- COMP Cams 13702 install torque specs and instructions
- Do I need LS trunnion upgrade with BTR stage 2 cam?
- stock LS rocker arm trunnion failure symptoms
- LS3 valvetrain upgrade springs and trunnion kit combo
- COMP Cams 13702-KIT compatible with factory LS rockers?
Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Fitment
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Specifications
| Brand | COMP Cams |
| Part Number | C007 13702-KIT |
About MOTORMIA
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Returns & Fitment
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.
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