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Racing Head Service (RHS) was founded in 1967 as a manufacturer of racing cylinder heads and quickly established itself as an iconic brand on the drag racing and circle...
Racing Head Service (RHS) was founded in 1967 as a manufacturer of racing cylinder heads and quickly established itself as an iconic brand on the drag racing and circle track circuits. A member of the COMP Performance Group, Racing Head Service (RHS) combines its cutting-edge airflow technology with valvetrain knowledge from COMP Cams engineers to create some of the high-flowing, best-performing cylinder heads on the market. Plus, Racing Head Service offers engine blocks, valvetrain components, cylinder head gaskets and hardware, and more. Shop Summit Racing for legendary RHS performance parts today!
Racing Head Service (RHS) was founded in 1967 as a manufacturer of racing cylinder heads and quickly established itself as an iconic brand on the drag racing and circle track circuits. A member of the COMP Performance Group, Racing Head Service (RHS) combines its cutting-edge airflow technology with valvetrain knowledge from COMP Cams engineers to create some of the high-flowing, best-performing cylinder heads on the market. Plus, Racing Head Service offers engine blocks, valvetrain components, cylinder head gaskets and hardware, and more. Shop Summit Racing for legendary RHS performance parts today!
Engine Block, Aluminum, 6-Bolt Mains, 4.125 in. Diameter Bore, 1-Piece Rear Main Seal, Chevy, LS, Each
Part Number: RHS-54903U
Not Yet Reviewed
Estimated Ship Date: Sep 4, 2025 if ordered today
Estimated Ship Date: Sep 4, 2025 if ordered today
Intake Manifold, Fabricated, Aluminum, Black Anodized, uses 102mm Throttle Body, Cathedral Port, with Fuel Rails, Chevy, LS1/LS2/LS6/LQ4/LQ9/LM7, Each
Part Number: RHS-10902
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Intake Manifold Spacers, Aluminum, Black Anodized, 9.750 in. Deck Height, Chevy, 7.0L LS7, Pair
Part Number: RHS-549109
Estimated Ship Date: Today
Estimated Ship Date: Today
MAIN CAP 8620 STEEL FOR RHS LS Alumiunum Race Blocks
Part Number: RHS-549100-1
Estimated Ship Date: Today
Estimated Ship Date: Today
DOWEL PIN, FOR LS BLOCK MAIN CAPS
Part Number: RHS-549201-1
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston Oiler Kit, Billet Steel Squirters, Chevy, Small Block LS, Kit
Part Number: RHS-549120
Estimated Ship Date: Sep 4, 2025 if ordered today
Estimated Ship Date: Sep 4, 2025 if ordered today
Intake Manifolds, Carbureted, Single Plane, Dominator 4500 Flange, 24-Degree, Aluminum, Natural, Big Block, Chevy, Standard Deck, Each
Part Number: RHS-11902
Not Yet Reviewed
Need It Sooner? We recommend these similar substitute parts:
Camshaft Thrust Plate, Retainer Plate, Solid, Bronze, Chevy, Each
Part Number: RHS-549102
Not Yet Reviewed
Estimated Ship Date: Sep 4, 2025 if ordered today
Estimated Ship Date: Sep 4, 2025 if ordered today
Intake Manifold Spacers, Aluminum, Black Anodized, 9.750 in. Deck Height, Chevy, 6.0L, 6.2L, Pair
Part Number: RHS-549108
Not Yet Reviewed
Estimated Ship Date: Sep 5, 2025 if ordered today
Estimated Ship Date: Sep 5, 2025 if ordered today
O-Ring, Chevy LS, Block Thrust Plate, Each
Part Number: RHS-549204-1
Estimated Ship Date: Today
Estimated Ship Date: Today
Cam Bearing, Steel Backed Babbitt, Chevy, Each
Part Number: RHS-549202-1
Estimated Ship Date: Sep 4, 2025 if ordered today
Estimated Ship Date: Sep 4, 2025 if ordered today
CYLINDER SLEEVE 4.125 X 9.240
Part Number: RHS-549114-1
Not Yet Reviewed
Estimated Ship Date: Sep 4, 2025 if ordered today
Estimated Ship Date: Sep 4, 2025 if ordered today
CYLINDER SLEEVE 4.125" X 9.24
Part Number: RHS-549103-1
Not Yet Reviewed
Estimated Ship Date: Sep 4, 2025 if ordered today
Estimated Ship Date: Sep 4, 2025 if ordered today
CYLINDER HEAD ASSEMBLY KIT
Part Number: RHS-12987-02
Not Yet Reviewed
CYLINDER SLEEVE, 4.125 x 9.240(OUTER RIGHT),CYL. # 2 & 7
Part Number: RHS-549111-1
Not Yet Reviewed
Estimated Ship Date: Sep 4, 2025 if ordered today
Estimated Ship Date: Sep 4, 2025 if ordered today
Cylinder Head Components, Valves, Springs, Retainers, Locks, Studs, Guideplates, RHS 180, Chevy, Small Block
Part Number: RHS-12972-02
Cylinder Head Components, Valves, Springs, Retainers, Locks, Studs, Guideplates, 215, SBF, Individual Head Kit
Part Number: RHS-35987-03
Not Yet Reviewed
Engine Cylinder Liner, Cylinder Sleeve Set for RHS Tall Deck Blocks
Part Number: RHS-549118-SET
Not Yet Reviewed
Estimated Ship Date: Sep 4, 2025 if ordered today
Estimated Ship Date: Sep 4, 2025 if ordered today
Engine Cylinder Liner, Cylinder Sleeve Set for RHS Standard Deck Blocks
Part Number: RHS-549119-SET
Not Yet Reviewed
Estimated Ship Date: Sep 4, 2025 if ordered today
Estimated Ship Date: Sep 4, 2025 if ordered today
Plug Fittings, Port Plugs, -12 AN, Male Threads, Aluminum, Black Anodized, Internal Allen Head, Each
Part Number: RHS-549200-1
Not Yet Reviewed
Estimated Ship Date: Sep 4, 2025 if ordered today
Estimated Ship Date: Sep 4, 2025 if ordered today
Need It Sooner? We recommend these similar substitute parts:
CYLINDER SLEEVE 4.125" X 9.75
Part Number: RHS-549104-1
Not Yet Reviewed
Estimated Ship Date: Sep 4, 2025 if ordered today
Estimated Ship Date: Sep 4, 2025 if ordered today
O-RING-12AN PORT PLUG
Part Number: RHS-549203-1
Not Yet Reviewed
Estimated Ship Date: Sep 4, 2025 if ordered today
Estimated Ship Date: Sep 4, 2025 if ordered today
BOLT CAM RETAINER PLATE BOLT
Part Number: RHS-549306-1
Not Yet Reviewed
Estimated Ship Date: Sep 4, 2025 if ordered today
Estimated Ship Date: Sep 4, 2025 if ordered today
DOWEL PIN BLOCK TO TRANS. FOR
Part Number: RHS-549205-1
Not Yet Reviewed
Estimated Ship Date: Sep 4, 2025 if ordered today
Estimated Ship Date: Sep 4, 2025 if ordered today
Engine Block, Aluminum, 6-Bolt Mains, 4.125 in. Diameter Bore, 1-Piece Rear Main Seal, Chevy, LS, Tall, Each
Part Number: RHS-54901U
Not Yet Reviewed
Estimated Ship Date: Sep 4, 2025 if ordered today
Estimated Ship Date: Sep 4, 2025 if ordered today
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