LS3/L92 Pedestal Mount 1.7 Ratio Aluminum Rocker Arms(with Hardware)

Speedmaster Pro Series Aluminum Rocker Arms are used around the world by professional racers, engine builders and hot rod enthusiasts, offering outstanding power and performance advantages for street, strip, and track applications. Made from high strength 6061-T6 aluminum extrusions, each piece is precision CNC machined and finished by hand to ensure that out customers receive the very best we have to offer. Our stud mount aluminum rockers are specially machined to allow for larger springs and retainers with full-cage friction reducing bearings for added durability. The nose rollers and shafts are Cr40 steel, heat-treated and hardened to minimize wear that naturally occurs between the roller tip and the valve stem.

LS3/L92 Series 6.0L/6.2L 1997-Present, 1.7 Ratio - 8mm- Stud, Offset Intake, Clear Nitron surface treatment. (Guide Plates Required) The LS Series OEM Replacement Roller Tip Rocker Arm System was designed to be the first -drop-in- aftermarket system for the GM LS Series cylinder heads. These rocker arms utilize the OEM rocker pedestals to dramatically improve the performance of the standard rocker arms. The LS3/L92 designs include 8 neutral exhaust rockers, 8 offset intake rockers, and 16 respective 8mm hex fasteners.

The specially engineered rocker arms made from the best and strongest aluminum, with precision ground roller bearings, Cr40 roller tips, and high quality steel alloy socket head machine screws. Each rocker body features hand-polished toplines and is tumbled to reduce stress risers. The engine builder may select and utilize high performance valve springs to maximize the effect of virtually any hydraulic camshaft profile.

Benefits/Characteristics

- Rated at 750 lbs. open spring pressure
- Posi Locks Included
- Internal Oiling system for long lasting performance
- Wide assortment of ratios to suit almost any cam profile
- Features full complement friction reducing needle bearings.
- Hand Polished and stress relieved surface finishing
- Aluminum Rocker bodies and Precision Ground Bearings
- No additional cylinder head machining or other aftermarket parts required
- Some OEM valve covers may require alteration of breather baffles or aftermarket valve covers.

In 1979, the company was founded with Pete's Performance, which was a small speed workshop. It began by building engines for customers as a hobby, and it has now grown to include selling, assembling, manufacturing and racing high performance engine parts. Over the years, the company has grown into a worldwide high performance powerhouse. Growing from a one-man bricks-and-mortar business; to now a supply chain in which entails more than 400+ people all across the world. Today, Pete's Performance has evolved into the internationally known Speedmaster: which has distribution centres and offices is Sydney, Los Angeles and Shanghai.