GM LS/LT 1.8 Ratio Roller Rocker Arms for Improved Valvetrain Performance

These 1.8 ratio roller rocker arms are designed for GM LS/LT applications, helping improve valve lift, reduce friction, and support more responsive engine performance.

Built from cast steel, this rocker arm design balances strength, durability, and valvetrain stability for street performance, restoration, and upgraded engine builds.

The needle bearing design helps promote smoother rocker motion and more consistent valve control, especially when paired with compatible camshaft, pushrod, and valve spring combinations.

Configured where applicable, these rocker arms are built for proper fitment and reliable operation. Always verify rocker ratio, stud size, pushrod length, guideplate alignment, and valve spring clearance before installation.

COMPATIBLE WITH
GM GEN V LT V8 ENGINES
• 5.3L / 325 in³ (L83, L84, L82)
• 6.2L / 376 in³ (LT1, LT2, LT4, LT5, L86, L87)
• 6.6L / 401 in³ (L8T)

COMMON VEHICLE APPLICATIONS
Chevrolet Camaro / Corvette (LT equipped)
Chevrolet Silverado / GMC Sierra (LT equipped)
Chevrolet Tahoe / Suburban / Yukon / Escalade (LT equipped)

NOTES
Designed for Gen V LT valvetrain applications listed in the product title.
Not compatible with Gen III/IV LS rocker arm applications unless specifically listed.
Verify rocker mounting style, rocker ratio, pushrod length, valve spring clearance, and valve cover clearance before installation.

SPECIFICATIONS:
Grade Type: Performance
Material: Cast Steel
Maximum RPM: 7,000
Mounting Type: Pedestal
Open Pressure Rating: 500 lbs.
Quantity: 16
Rocker Arm Body Style: Standard
Rocker Arm Finish: Natural
Rocker Arm Material: Cast Steel
Rocker Arm Ratio: 1.8
Rocker Arm Type: Roller Fulcrum
Self Aligning: No
Shims Included: No
Stud Thread Diameter: 3/8 in.
Trunnion Style: Needle Bearing