GM L92-LS3 Rocker Arm Set 1.7 Ratio Adjustable

The GM L92-LS3 Rocker Arm Set 1.7 Ratio Adjustable by Sharp Rockers is a full-roller race series rocker arm assembly engineered for General Motors LS-series engines. This 16-piece set features 8mm pedestal mounts and a 1.70 ratio, delivering the lift characteristics demanded by high-performance LS builds. The aluminum construction with orange anodized finish combines weight savings with corrosion resistance, critical for engine bay durability during extended track sessions and high-RPM operation.

The 1.70 rocker ratio increases valve lift relative to camshaft lobe lift, allowing builders to maximize airflow and cylinder filling without changing the base camshaft profile. Full-roller design minimizes friction loss at high RPM, reducing parasitic drag and supporting sustained performance. The adjustable design accommodates pushrod length variations and geometry changes common in modified LS applications, simplifying installation across different block and head combinations while maintaining precise valve events.

This rocker arm set targets serious LS engine builders and track enthusiasts constructing street and race engines. Whether upgrading a naturally aspirated build, preparing a supercharged platform, or transitioning to a new LS platform variant, the adjustable nature and verified 1.70 ratio support repeatable, reliable valve train geometry. The set of 16 covers complete LS1, LS2, LS3, and LS7 applications, making it a one-purchase solution for rocker arm replacement in full engine builds.

LS-series rocker arms vary significantly in lift ratio, material, and durability design. Sharp Rockers' race series positioning emphasizes high-RPM reliability and adjustability, distinguishing this option from OEM or budget aftermarket alternatives. Builders prioritizing valve train consistency and long-term track durability find the full-roller, adjustable design worth the investment over fixed-ratio stamped or investment-cast units.