SB Chevy "Pro Action" 23° Aluminum Cylinder Head RHS12054 Top-quality, 23°
LS Aluminum Race Block NEW! RHS54903U
aluminum cylinder head has "as cast" ports and com- bustion chambers, bronze wall valve
7KH/65DFH%ORFNDGGVWKH EHQH¿WVRIDQH[WUDWKLFN deck surface, raised cam center- line, and priority main bearing oiling.
Cylinder walls are siamese-cast with press-in cast iron cylinder OLQHUV3DWHQWHG&OHDQ&DVWWHFKQRORJ\SURYLGHVDVXSHULRU¿Q - ish. Block includes a 9.240" deck height, 4.125" cylinder bores, and allows for up to 4.600" stroke. Related Component Part No. Description RHS549202-1 Cam Bearing for LS Race Block, Each
guides, and competition valve job with multi-angled intake and exhaust seats. Sold individually as bare casting, cylinder head includes 200cc intake runners and straight-type spark plugs. Accepts original equipment-style components. Exhaust Valve Straight Plug Cylinder Head 200cc 64cc 2.020" 1.600" 1.600" Part No. Description Intake Runner Comb. Chamber Intake Valve
Fabricated Valve Covers NEW! Custom fabricated from premium aluminum sheet, valve covers are ex-
ceptionally lightweight and offer superior sealing. Choose from FOHDUDQRGL]HGFKURPHRUSROLVKHG¿QLVK6ROGSHUSDLUZLWK required hardware. Application Anodized Chrome Polished SB Chevy, 3-3/4" Tall w/o Holes, 1/4" Billet Rail RPCR6144 — RPCR6144POL SB Chevy, 3-3/4" Tall w/Hole, 1/4" Billet Rail RPCR6145 RPCR6145C RPCR6145POL SB Chevy, 3-7/8" Tall w/o Holes, 1/4" Billet Rail RPCR6147 — — GM LS1, 2-1/2" Tall w/Coil Mtg. Brackets RPCR6142 — — SB Ford, 3-1/2" Tall w/o Holes, 1/4" Billet Rail RPCR6344 — — Valve Cover Gaskets NEW! Blue Rubber w/Steel Core Part No. SB Chevy, 1955-86 RPCR7483X RPCR7483 RPCR7484 RPCR7484X SB Chevy, 1987-Up — RPCR7487 RPCR7488 — SB Ford, 1962-85 — — RPCR7486 — Carb Mount Throttle Return Kit RPCR2083 Description Cork Part No. Cork w/Steel Core Part No. Black Rubber w/Steel Core Part No. Phenolic Carburetor Spacers NEW! Manufactured from a special phenolic material which insulates the carburetor from the intake man- ifold and prevents heat transfer, spacers provide increased fuel density and added horsepower. 'HVLJQHGIRUXVHZLWKSRSXODUEEO+ROOH\VW\OH carburetors. Part No. Description RPCR9134 1" Tall Carb Spacer, Ported 4-Hole RPCR9135 2" Tall Carb Spacer, Ported 4-Hole RPCR9136 1" Tall Carb Spacer, Open Style RPCR9137 2" Tall Carb Spacer, Open Style RPCR9138 1/2" Tall Carb Spacer, Ported 4-Hole RPCR9139 1/2" Tall Carb Spacer, Open Style Chrome-plated steel kit attaches directly WRSRSXODU+ROOH\EEORU 4bbl. carburetors. Includes light and heavy spring sets, and necessary hardware.
Race Air Cleaner Kit RPCR8032 +LJKSHUIRUPDQFHGLD[WDOOUDFHDLU cleaner kit includes chrome-plated steel top, ÀDWERWWRPEDVHDQGKLJKÀRZSDSHUHOHPHQW Circle Track Racing Tall Valve Covers
Offered for small block Chevy, left (driver) side tall covers have breather WXEHVDQGEDIÀHV ULJKWVLGHWDOOFRY - ers are plain. Early style covers are raw, unplated steel; late, centerbolt style are polished aluminum. Both accept clamp-on breathers. Breathers must be purchased separately. Part No.
Description
SB Chevy 1958-86 Fabricated Aluminum Valve Covers, No Holes
RPCR6147
RPCR6150 SB Chevy 1987-97 Polished Aluminum Valve Covers, 1-1/2" O.D. Holes RPCR7215RAW SB Chevy 1958-86 Unplated Steel Valve Covers, 1-1/2" O.D. Holes Polished Aluminum Valve Covers
Covers are available in tall or short YHUVLRQVDQGDUHEDIÀHG*URPPHWV (RPCR4996) to accept push-in crankcase breathers are available separately. Description
Tall Part No.
Short Part No.
SB Chevy
1958-86 Valve Covers, No Holes 1958-86 Valve Covers, (1) Hole 1987-97 Valve Covers, No Holes 1987-97 Valve Covers, (1) Hole
RPCR6030-1 RPCR6130-2 RPCR6046 RPCR6146-1
—
RPCR6131-2 RPCR6036 RPCR6136-1
SB Ford
1962-85 Valve Covers, No Holes 1962-85 Valve Covers, (1) Hole
RPCR6170 RPCR6171
— —
665
CIRCLE TRACK 2021-22
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