LS/LT OE Style Retrofit Trunnion Upgrade Kit, Needle Bearing Set

GM LS/LT Trunnion Upgrade Kit for Stronger Rocker Arm Stability

This GM LS/LT trunnion upgrade kit is improve rocker arm stability, reduce wear, and support more reliable valvetrain operation in performance and rebuild applications.

The needle bearing design setup helps improve rocker arm movement and durability compared with worn factory components, making it a practical upgrade for engines seeing higher RPM, heavier spring pressure, or long-term street use.

Use this kit when refreshing factory-style rocker arms or upgrading the valvetrain during a camshaft, spring, or engine build. Always verify rocker arm style and application compatibility before installation.

Fitment

COMPATIBLE WITH
GM LS / LT OE-STYLE ROCKER ARM TRUNNION APPLICATIONS

GM LS GEN III/IV V8 ENGINES
• 4.8L / 293 in³ (LR4, LY2, L20)
• 5.3L / 325 in³ (LM7, L59, LM4, L33, LH6, LY5, LMG, LMF, LC9, LH8, LH9)
• 5.7L / 346 in³ (LS1, LS6)
• 6.0L / 364 in³ (LS2, LQ4, LQ9)
• 6.2L / 376 in³ (LS3, L92, L99)

GM LT GEN V V8 ENGINES
• 5.3L / 325 in³ (L83, L84, L82)
• 6.2L / 376 in³ (LT1, LT4, L86, L87, L8B)
• 6.6L / 401 in³ (L8T)

COMMON VEHICLE APPLICATIONS
Chevrolet Silverado / GMC Sierra / Tahoe / Yukon / Escalade (LS/LT equipped)
Chevrolet Camaro / Corvette (LS/LT equipped)
Pontiac Firebird / GTO / G8 (LS equipped)

NOTES
For OE-style rocker arm trunnion service; rocker arms are not included unless specified.
Verify OE rocker body compatibility, trunnion style, cylinder head type, and required installation tools before installation.

Specifications:
Max RPM: 7,000
Open Pressure Rating: 500 lbs.
Quantity: 16
Rocker Arms Included: No
Roller Fulcrum Included: Yes
Upgrade Style: Needle Bearing