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Rhs Pro Elite 291ccls7 6 Bolt Cylinder Heads Set Up For Solid Roller Application on 2040-parts.com

US $2,750.00
Location:

Cumming, Georgia, United States

Cumming, Georgia, United States
Condition:Remanufactured

Designed for Hardcore Street or Race GM LS Engines

RHS® Pro Elite™ LS7 Cylinder Heads are the aftermarket’s first high performance LS-style head to feature a raised intake runner design that fits both stock and aftermarket LS7 intake manifolds and valve train setups. These Pro Elite™ Aluminum Cylinder Heads are designed with a 12° valve angle and unique .220" raised intake runners to provide a better line of sight into the cylinders and allow for an improved short turn.

The heads also utilize the popular LS 6-bolt head design, making them compatible with both the RHS® LS Race Block and GM LSX Blocks. Increased clamping capacity greatly improves head gasket retention in high horsepower and boosted applications.The raised runner and rolled valve angle increase overall flow capability while an improved water jacket design improves thermal conductivity.

  • 100% CNC-ported runners optimize volume, atomization & velocity

  • 6-bolt head design is compatible w/ the advanced RHS® LS Race, GM LSX Blocks, or OEM 4-bolt blocks

  • Increased clamping capacity greatly improves head gasket retention in high horsepower & boosted applications

  • .750" thick deck surface increases integrity; Reinforced solid rocker rail increases rigidity & stability; 355T6 aluminum withstands race conditions

  • .400" raised rail works w/ aftermarket rockers; .100" raised exhaust port allows use of stock & aftermarket manifolds

  • Can be used in small & large cubic inch, hardcore street applications

  • Manley lightweight titanium intake valves & Inconel exhaust valves


NEW Manley Spring Kit- 221441R-16 (Solid Lifter Application)

NEW Manley TI Retainers- 23697-16

NEW Seats/Seals/Locks

Heads are fresh and ready to go. Fully freshened/inspected by Grimes Machine

New Guides/Valve job/Surfaced/Hot tank/Assemble with new spring kit listed above.

Heads were used on twin turbo C6 with RHS 440 short block and supported 1500HP. They have maybe one year of service

Upgraded to Mast Heads when turbos/short block was upgraded

Rocker Pads set up for 3/8" Bolts

2.000=300

1.270=725

1.200=CB

.875 space to retainer


Retail is $2399.00 each plus mechanical roller spring kit so almost $5500.00


T&D 1.9 Ratio Rockers that were used with these heads are listed in another auction on our store if interested.

Engine Family


GM LS7
Cylinder Head Series Pro Elite™
Cylinder Head Style LS7 Rectangular Port
Configuration Assembled
Material Aluminum
Intake Runner 291cc
Chamber 69cc
Spark Plugs Angle
Lifter Type/Valve Train Hydraulic Roller
Max Lift .675"
Intake Valve 2.200"
Exhaust Valve 1.615"
























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