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Posts Tagged ‘Racing Head Service’

RHS Releases new 14 degree single plane intakes

Tuesday, February 1st, 2011

RHS has released the cast single 4 barrel (4150) intakes for the 14 degree cast iron heads. They are available and shipping  now, and you can order one from us here: 14 degree manifold . Pictures are coming soon. This is a great addition to the product line, no more adapter plates, no more welding, no more sheet metal intakes.

RHS Releases New LS7 Cylinder Heads

Friday, December 10th, 2010

RHS® is introducing the latest addition to their brand new line of LS application cylinder heads

This is the aftermarket’s only high performance LS7 head with a raised intake runner design specifically engineered to accommodate production and aftermarket LS7 intake manifolds and valve train setups. The 12° valve angle (flatter piston to valve angle) and unique .220″ raised intake runners provide a better line of sight into the cylinders and allow for an improved short turn. In addition, the custom CNC-machined runners optimize volume, atomization and velocity.

The 355T6 aerospace-grade aluminum alloy heads also feature the popular LS 6-bolt head design that makes them compatible with both the RHS® LS Race and GM LSX Blocks. This design also increases clamping capacity to improve cylinder head gasket retention on high horsepower and boosted applications. All of this, with the addition of a .750″ thick deck surface, increases the integrity in high cylinder pressure applications.

A reinforced solid rocker rail with extra bolts was engineered for shaft mount rockers to provide increased rigidity and valve train stability, while the raised .400″ valve cover rails provide clearance for aftermarket rocker systems. And finally, the raised runner and rolled valve angle increase overall flow capability. These features, coupled with an improved water jacket design, make this an ideal head for both small and large cubic inch, hardcore street applications.

  • 12° Valve angle & .220″ raised intake runner over stock LS7 provide better line of sight into cylinders and short turn
    100% CNC-machined runners optimize volume, atomization & velocity
    355T6 Aerospace-grade aluminum is lightweight and increases cylinder head life as well as strength
    Popular 6-bolt head design increases clamping capacity for improved head gasket retention on high horsepower & boosted applications
    Compatible with popular RHS® LS Race & GM LSX Blocks
    .750″ Thick deck surface improves integrity in high cylinder pressure applications
    .400″ Raised rail allows for use with aftermarket rockers; .100″ raised exhaust port allows use of both stock & aftermarket manifolds
    Improved overall flow capabilities & water jacket design
    Can be used in both small & large cubic inch, hardcore street application

    We will have more information on these heads as it becomes available. Watch for CNC Ported Packages coming Soon!!!!