Product Description
Michigan Motorsports LS3 Style Rocker Arms with Bronze Bushings Professionally Installed - Billet Stands Included
Upgrade your LS engine with Michigan Motorsports LS3 Style Rocker Arms featuring bronze bushings and billet stands. These rocker arms are engineered for use on rectangle/square port cylinder heads and provide superior lubrication, maximum load capability, and long service life compared to OEM rocker arms. Combined with CNC-machined billet stands, this setup delivers exceptional rigidity, reduced flex, and consistent preload across your valvetrain.
Whether stock or highly modified, these rocker arms are a must-have for aggressive heads and cam combinations. The bushing trunnion design replaces failure-prone OEM needle bearings with a premium C932 bronze bushing system, virtually eliminating the risk of engine damage from loose bearing debris.
Key Features:
- Upgraded Trunnion System: Bronze bushing design ensures consistent lubrication and higher load capacity compared to OEM and caged needle bearings.
- Durability & Longevity: C932 bushings with dual oil channels provide constant lubrication, reducing wear and extending service life.
- Billet Rocker Stands: CNC-machined from 6061 aluminum for reduced flex, improved rigidity, and preload consistency. Replaces GM #12600936.
- Proven Performance: Recommended for aggressive camshaft/heads combos and high-performance LS builds.
- Precision Fit: Ideal for LS3, L99, L76, L92, L96, LY6, and LSA heads with 1.7 ratio intake rocker arms.
Applications:
Fits rectangle/square port LS heads: LS3, L99, L76, L92, L96, LY6, LSA.
Kit Includes:
- (16) LS3 Series Rocker Arms with bronze bushing style trunnion kit installed
- (16) Upgraded bolts for LS3 rocker arms
- (2) Michigan Motorsports billet rocker arm stands
Installation:
Rotate the trunnion so that the flat recessed side of the center hole faces upward (the socket head cap screw must seat against this recessed flat side). Torque to 22 ft-lbs following OE installation procedures.
