RHS Pro Action™ LS CNC-Ported Cathedral Port Aluminum Heads

$489.99

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

Assembled LS7 Pro Elite™ Cylinder Heads

  • Manley lightweight hollow stem stainless intake valves & severe duty solid stainless exhaust valves

  • Fully assembled w/ COMP Cams® 26926-16 dual springs (up to .675" lift) & COMP Cams® 1779-16 tool steel retainers

Sold Each 

SKU
RHS-54240

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

Assembled LS7 Pro Elite™ Cylinder Heads

  • Manley lightweight hollow stem stainless intake valves & severe duty solid stainless exhaust valves

  • Fully assembled w/ COMP Cams® 26926-16 dual springs (up to .675" lift) & COMP Cams® 1779-16 tool steel retainers

Sold Each

More Information
SKU RHS-54240
Manufacturer Comp Cams
Application Guide All GenIII/IV powered GM Vehicles with 4.125"+ bore w/ LS7 style intake
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