Product Description
GM Performance Parts 1.7 Ratio Roller Rocker Arm – LS-Series
Fits GM LS3, L99, L76, L92, LS9 & LSA Cylinder Heads | Intake Offset Design
The GM Performance Parts 1.7 Ratio Roller Rocker Arm is a genuine OEM LS-series valvetrain component engineered for high-performance and factory reliability. Featuring a full roller design with an intake offset configuration, this pedestal-mount rocker arm is specifically designed for LS3-style cylinder heads and related variants. Manufactured from durable steel with a natural finish, it delivers reduced friction, precise valve motion, and long-term durability for stock and performance GM LS applications. Sold individually or in quantities of eight depending on your build requirements.
Key Features & Benefits
- Genuine GM Performance Parts: Authentic GM LS-series rocker arm engineered to OEM standards for fitment, strength, and reliability.
- 1.7 Ratio Full Roller Design: Provides accurate valve lift and timing while reducing friction and wear compared to non-roller rocker arms.
- Intake Offset Configuration: Designed specifically for LS3-style heads that require offset intake rockers for proper valve alignment.
- Pedestal Mount, Steel Construction: Durable steel rocker arm with a natural finish ensures long service life in high-load valvetrain environments.
- Flexible Quantity Options: Available individually or in sets of eight to accommodate partial replacements or full valvetrain servicing.
Key Fitments
- LS3: GM LS3 cylinder heads requiring 1.7 ratio intake offset rocker arms
- L99: GM L99 engines with LS3-style cylinder heads
- L76: GM L76 LS-based engines using LS3-style valvetrain geometry
- L92: GM L92 LS-based engines with offset intake rocker configuration
- LS9: GM LS9 supercharged engines using 1.7 ratio intake offset rocker arms
- LSA: GM LSA engines equipped with LS3-style intake offset cylinder heads
