RHS Engine Blocks and Intake Manifolds

Racing Head Service - the legendary innovator of airflow technology ? offers the ultimate in cylinder head, engine block and intake manifold performance. Utilizing the resources of the industry leading COMP Performance Group engineering and development team and the most sophisticated engine technology in the performance aftermarket, RHS has re-established itself as a leader in airflow design.

Founded in 1967, Racing Head Service began exclusively as a manufacturer of racing cylinder heads. Over the years, RHS grew into an integrated racing company, offering complete turn-key engines and race car parts via mail order. Always an innovator, RHS was among the first to offer ?crate engines? and mail order parts, establishing its reputation as a leader.

With innovative cylinder head designs and porting techniques, the company became a performance icon during the 1970?s and ?80s in both circle track and drag racing competition.

In 1976, the RHS management team, recognizing the direct performance linkage between cylinder heads and camshafts, launched a new company ? Competition Cams. Throughout the '80s, RHS and COMP Cams became an amazing one-two punch for everything to do with racing. From their headquarters in Memphis, Tennessee, the two dominated NHRA and short track competition with their racing heads, valve train components and engines. Today, COMP Cams has grown to be the dominant force in valve train technology and an established leader in the automotive aftermarket.

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RHS 54901
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RHS 54901 LS Block Tall Deck 9.75 in. 4.125 in. Bore

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$7,751.84

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$6,740.73

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RHS 54903
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RHS 54903 LS Block Standard Deck 9.24 in. 4.125 in. Bore

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$7,751.84

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RHS 54901U
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RHS 54901U LS Block Tall Deck 9.75 in. Hone To 4.120 in.

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$7,600.02

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$6,608.71

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RHS 54902U
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RHS 54902U LS Block Standard Deck 9.24 in. Hone To 4.160 in.

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$7,600.02

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RHS 54903U
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RHS 54903U LS Block Standard Deck 9.24 in. Hone To 4.120 in.

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$7,600.02

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$6,608.71

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RHS 54900
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RHS 54900 LS Block Tall Deck 9.75 in. 4.165 in. Bore

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$7,136.44

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$6,205.60

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RHS 54902
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RHS 54902 LS Block Standard Deck 9.24 in. 4.165 in. Bore

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$7,136.44

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RHS 54906
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RHS 54906 LS Block Standard Deck 9.24 in. 3.900 in. Bore

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$7,136.44

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RHS 54900U
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RHS 54900U LS Block Tall Deck 9.75 in. Hone To 4.165 in.

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$6,989.03

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$6,077.42

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RHS 54904
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RHS 54904 LS Block Tall Deck 9.760 in. 4.100 in. Bore 5.87 Cylinder Sleeve Length Unfinished

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$6,989.03

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RHS 54905
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RHS 54905 LS Block Standard Deck 9.250 in. 4.100 in. Bore 6.38 in. Cylinder Sleeve Length Unfinished

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$6,989.03

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RHS 54906U
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RHS 54906U LS Block Standard Deck 9.24 in. Hone To 3.895 in.

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$6,989.03

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RHS 54501-06TTI
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RHS 54501-06TTI Pro Elite Aluminum Assembled Cylinder Head For LS7 LS7 Race/LSXCNC-Machined69cc Chamber291cc Int. Rner 2 deg.

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$3,766.11

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$3,274.88

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RHS 54501-06TTS
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RHS 54501-06TTS Pro Elite Aluminum Assembled Cylinder Head For LS7 LS7 Race/LSXCNC-Machined69cc Chamber291cc Int. Rner 2 deg.

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$3,733.84

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$3,246.82

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RHS 54501-06TTIX
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RHS 54501-06TTIX Pro Elite Aluminum Assembled Cylinder Head For LS7 LS7 Race/LSXCNC-Machined69cc Chamber291cc Int. Rner 2 deg

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$3,228.37

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$2,807.28

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RHS 54501-06TTSX
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RHS 54501-06TTSX Pro Elite Aluminum Assembled Cylinder Head For LS7 LS7 Race/LSXCNC-Machined69cc Chamber291cc Int. Runner 2 d

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$3,120.82

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$2,713.76

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RHS 54501-06STI
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RHS 54501-06STI Pro Elite Aluminum Assembled Cylinder Head For LS7 LS7 Race/LSXCNC-Machined69cc Chamber291cc Int. Runner 2 de

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$2,475.55

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$2,152.65

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RHS 54501-06STS
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RHS 54501-06STS Pro Elite Aluminum Assembled Cylinder Head For LS7 LS7 Race/LSXCNC-Machined69cc Chamber291cc Int. Runner 2 de

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$2,443.29

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$2,124.60

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RHS 54501-05HCS
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RHS 54501-05HCS Pro Elite Aluminum Assembled Cylinder Head For LS7 LS7 Race/LSXCNC-Machined69cc Chamber291cc Int. Runner 2 de

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$2,410.47

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$2,096.06

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RHS 11034
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RHS 11034 Pro Elite Bare Cylinder Head Big Block Chevy 24 deg. For Solid Roller 339cc Runner 121cc Chamber Straight Spark Plu

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$1,854.82

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$1,612.89

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RHS 11038
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RHS 11038 Pro Elite Bare Cylinder Head Big Block Chevy 24 deg. For Solid Roller 376cc Runner 121cc Chamber Straight Spark Plu

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$1,845.00

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$1,604.35

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RHS 54501
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RHS 54501 Pro Elite Aluminum Cylinder Head For LS7 LS7 Race/LSX CNC-Machined 69cc Chamber 291cc Intake Runner Multi-Angle Val

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$1,745.10

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$1,517.48

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RHS 54504
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RHS 54504 Pro Elite Aluminum Cylinder Head For LS7 Big Port 307cc. Intake Runner CNC Ported Raised Runners Set Up For 2.25 in

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$1,745.10

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RHS 11011-03
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RHS 11011-03 Pro Action Aluminum Racing Assembled Cylinder Head Big Block Chevy Solid Roller 320cc Runner 119cc Chamber Angle

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$1,653.92

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$1,438.19

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RHS 11012-03
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RHS 11012-03 Pro Action Aluminum Racing Assembled Cylinder Head Big Block Chevy Mech. Roller 360cc Runner 119cc Chamber Angle

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$1,653.92

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