Page 217 - 2020-2021 Racecar Engineering Drag Racing Parts and Accessories Catalog
P. 217
2020 DRAG RACING
Guide Plates Lash Caps
Black oxided, hardened guide plates ensure exact stud Special hardened steel lash caps protect the tips of
place ment and consistent, accurate fit. A must for use with high-lift cams valve stems, especially when a radical cam profile
and high valve spring pressures. Available in flat and raised styles. with lots of duration and valve lift has been selected.
Part No. Description Type Pushrod Size Stud Size Part No. Description Thickness Valve Stem Size
Small Block Chevy COM619-16 426 Hemi Short Cap .080" Thick 5/16"
COM4800-8 ‡ 265-400 Raised 5/16" 7/16" COM620-16 Hardened Lash Cap .080" Thick 5/16"
COM4802-8 ‡ 265-400 Raised 3/8" 7/16" COM621-16 Hardened Lash Cap .080" Thick 11/32"
COM4808-8 ‡ 265-400 Flat 5/16" 7/16" COM622-16 Hardened Lash Cap .080" Thick 3/8"
COM4810-8 ‡ 265-400 Flat 3/8" 7/16"
Big Block Chevy Stud Girdles
COM4806-8 396-454 Raised 3/8" 7/16"
COM4820-8 396-454 Raised 7/16" 7/16" Comp Cams stud girdles are
Ford made of rugged 6061-T6
COM4803-8 351C Raised 5/16" 5/16"
COM4804-8 351C Raised 3/8" 5/16" aluminum, and tie the rocker COM4021
COM4816-8 289-351W Flat 5/16" 5/16" studs together for alignment and durability.
COM4818-8 289-351W Flat 3/8" 5/16" Part No. Description Stud Size
COM4834-8 429-460 Raised 5/16" 5/16" COM4004 SB Chevy Spring Loaded 7/16"
COM4838-8 429-460 Raised 3/8" 5/16" COM4007 SB Chevy Solid Bar 3/8"
Oldsmobile COM4009 SB Chevy Solid Bar 7/16"
COM4842-8 350-455 Flat 5/16" 5/16" COM4014 SB Ford 289-302, 351W Standard Head 7/16"
COM4843-8 350-455 Flat 3/8" 5/16" COM4018 SB Chevy Brodix/Pontiac 40/60 Spacing, Spring Loaded 7/16"
Pontiac COM4021 BB Chevy Solid Bar
COM4851-8 350-455 Flat 5/16" 7/16" COM4034 BB Ford 429-460 OEM/CJ/SCJ Cyl. Heads 7/16"
7/16"
COM4852-8 350-455 Flat 3/8" 7/16"
‡For V6 use -6 suffix
SB Chevy Rev Kits
Rev kits hold the lifters in their
Adjustable Pushrod Guide Plates
bores to prevent oil pressure
Often required when cylinder heads have relocated intake ports, guide plates loss in the event of a pushrod
may be welded after final adjustments. Choose from one- or two-piece or rocker arm failure. Made of extruded aluminum and complete with all
designs. One-piece uses elongated mounting holes. Sold in sets of eight.
springs and buttons.
Part No. Description Type Pushrod Size Stud Dia.
Part No. Description
COM4811-8 BB Chevy 396-454 Raised 3/8" 7/16"
COM4835-8 SB Chevy/SB Ford, 2-Pc. Flat 5/16" 7/16" COM4000 SB Chevy With .842" Tappet
COM4839-8 SB Chevy 265-400 Flat 3/8" 7/16"
SB Chevy Roller Cam Bearing Kit
Valve Stem Oil Seals COM350RCB-KIT
Seals prevent oil from entering the com bus tion cham ber. Steel-jacketed needle roller bearings are
Use O-Ring seal with standard retainer and oil splash shield. Use encapsulated for easy installation in place
umbrella seals with larger-than-stock diameter springs, and positive-stop of traditional cam bearings and will decrease
PTFE seals for double springs. PTFE seals require machining; others do not. friction and increase oil control. Bearings fit all small block
Part No. Description Guide Size Valve Stem Size Chevys and small block 360 Chryslers with #1 through #5
COM500-16 Positive Stop PTFE .530" 5/16" camshaft journal diameters of 1.968".
COM501-16 O-Ring Stock 11/32"
COM502-16 Umbrella Stock 11/32" Note: Designed for use with steel roller camshafts only. Not for use with flat tappet iron
COM503-16 Positive-Type PTFE .530" 11/32" camshafts.
COM504-16 Umbrella Stock 3/8"
COM505-16 Positive-Type PTFE .530" 3/8" GM LS Front Drive Distributor Kit
COM506-16 Triple Spring Viton .485" 11/32"
COM510-16 PTFE, .600" O.D. .500" 11/32" Engineered for GM LS engines, kit allows
COM511-16 Steel Jacketed Viton, LS1 .500" Stock installation of a distributor-style igni-
COM512-16 PTFE, .600" O.D. .500" 3/8" tion system when performing engine
COM513-16 Positive Stop PTFE .500" 5/16"
COM514-16 Metal Body Viton .500" 3/8" swaps or when a distributor ignition
COM515-16 Metal Body Viton .530" 3/8" is required. Designed for standard GM
COM516-16 Metal Body Viton .530" 5/16" LS blocks, kit includes timing cover,
COM517-16 Metal Body/Viton, Triple Spring .500" 11/32"
COM518-16 Metal Body/Viton, Triple Spring .530" 11/32" harmonic balancer, distributor, ignition
COM519-16 Metal Body Viton, Triple Spring .500" 5/16" coil, ignition unit, spark plug wires,
COM520-16 Metal Body Viton, Triple Spring .530" 5/16" necessary hardware, and complete instructions.
COM521-16 Metal Body Viton, Triple Spring .500" 3/8"
COM522-16 Metal Body Viton, Triple Spring .530" 3/8" Part No. Description
COM529-16 Metal Body Viton .530" 11/32" COM5483 GM LS Front Drive Distributor Kit, Standard Block
COM530-16 Black Viton Small O.D. .425" 5/16" COM5481 GM LS Front Drive Plate Conversion Only
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