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Street Race Truck More... The Toolbox
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$1,482.99
$1,186.99
RHS 54501 LS7 Pro Elite 291cc CNC-Ported Bare Cylinder Head
RHS 54501 LS7 Pro Elite 291cc CNC-Ported Bare Cylinder Head

RHS 54501 LS7 Pro Elite 291cc CNC-Ported Bare Cylinder Head

Bare Cylinder Head Style, Aluminum, Natural, 60cc - 69cc Combustion Chamber Volume Range

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RHS 54501 LS7 Pro Elite 291cc CNC-Ported Bare Cylinder Head
RHS 54501 LS7 Pro Elite 291cc CNC-Ported Bare Cylinder Head
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We estimate this item will ship on or before August 31st.
Part # 59054501
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$1,186.99
$1,482.99
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Important Messages:

  • This item ships directly from the manufacturer. It may take an additional 10 business days for Racing Head Service to ship this item.
  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
  • This item ships via Ground Shipping only. Expedited and Air shipping options are not available.

Details

Cylinder Head Style:
Bare
Material Type:
Aluminum
Finish:
Natural
Combustion Chamber Volume:
69cc
Intake Runner Volume:
291cc
Exhaust Runner Volume:
93cc
Combustion Chamber Volume Range:
60cc - 69cc
Intake Runner Volume Range:
290cc - 299cc
Exhaust Runner Volume Range:
90cc - 99cc
CNC-Machined Runners:
Yes
CNC-Machined Combustion Chamber:
Yes
Spark Plug Style:
Straight
Intake Port Shape:
Rectangle
Intake Port Location:
Standard
Exhaust Port Shape:
D-port
Exhaust Port Location:
Standard
Intake Valve Diameter:
2.2"
Intake Valves Included:
No
Intake Valve Angle:
12
Exhaust Valve Diameter:
1.615"
Exhaust Valves Included:
No
Exhaust Valve Angle:
12
Valve Spring Included:
No
Damper Spring Included:
No
Machined for O-Ring:
No
Valve Seat Machine Style:
4-angle intake/4-angle exhaust
Valve Seats Machined:
Yes
Valve Stem Seals Included:
Yes
Valve Guides Included:
Yes
Valve Guide Material:
manganese bronze
Locks Included:
No
Retainers Included:
No
Guideplates Included:
No
Rocker Arms Included:
No
Rocker Arm Studs Included:
No
Rocker Arm Nuts Included:
No
Oiling Style:
Through Pushrod
Heat Crossover:
Yes
Steam Holes Drilled:
Yes
Accessory Bolt Holes Drilled:
Yes
Sold in Quantity:
Each
MFG. Part #:
54501
GTIN Code:
036584234678

Info

Designed for Hardcore Street or Race GM LS Engines

RHS Pro Elite LS7 Cylinder Heads are the aftermarkets 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, GM LSX Block, & OEM Blocks. 6-bolt design offers Increased clamping capacity that 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.

    • Includes (1) bare 355-T6 aluminum CNC cylinder head
    • CNC-machined intake & exhaust runners as well as combustion chambers
    • 0.220" raised intake ports from stock location for strait line of sight into the cylinders
    • 0.750" thick deck & reinforced rocker rails make heads ideal for high HP & boosted applications
    • 6 head-bolt design works with RHS LS Race Block & GM LSX Block as well as standard 4-bolt LS blocks
    • 6-bolt heads offer superior clamping capacity over standard 4-bolt; Excellent for high boost applications
    • 0.100" raised exhaust ports work with stock & aftermarket manifolds/headers
    • Set-up for 2.200" intake & 1.615" exhaust valves

*Requires COMP Shaft Mount Rockers OR part #54520; OEM LS7 Rocker Adaptor (Requires [2])

Some parts are not legal for use in California or other states with similar laws/regulations

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