LS7 Staggered ( STS ) – Rocker Arm System

Manton LS7 Staggered ( STS ) Rocker Arm System

Introducing the LS7 Staggered Bolt Pattern (STS) / SML Shaft Rocker System by Manton Racing Products, engineered for Late Model SML and other LS7 engines with staggered bolt patterns.

This high-performance system includes:

• 16 Rocker Arms
• 16 Adjusters and Jam Nuts (815 and 851)
• 16 Rocker Arm Shafts
• 32 Rocker Arm Shims
• 32 Shaft Bolts
• 16 Stand Bolts (7/16 by 14)

Designed to elevate LS engine performance to new heights, our system is capable of handling 10,000+ RPM, 1000+ lbs of open spring pressure, and significant boost levels.

Key features ensuring exceptional performance and durability include:

• Grain-Aligned Billet Steel Bodies and Steel Stands
• Tool Steel Shafts and Adjusting Screws
• Tool Steel Roller and Pin Combo
• Increased Fastener Sizes for added strength
• Heat Treated Steel Parts for enhanced strength and fatigue resistance
• Fully Nitrided Bearing Surfaces on Tool Steel Rocker Arm Shafts and Adjusting Screws for improved wear resistance
• Force-Fed Oiling Screws to direct oil efficiently to rocker arm bearing segments, reducing oil consumption by the valvetrain and enhancing cooling
• High Load Bushing and Large Diameter Shaft for durability under high stress
• Dual 5/16 by 24 Fasteners per Shaft to increase clamping force
• Staggered 7/16 Diameter Fasteners for improved stand fastening to the cylinder head

This system is meticulously designed to exceed expectations in both high-performance and mild applications. Elevate your engine’s capability with Manton’s precision-engineered rocker arm system.