Page 242 - 2022-23 Auto Performance Drag Racing
P. 242
DRAG RACING
Valve Spring Seat Cups and Locators
Comp Cams’ spring seat cups and locators
can withstand the extreme spring pressures
and high RPM generated by modern race engines. Hardened alloy seats protect the head and shim. They also locate and hold the spring in place. Sold in sets of 16.
Valve Spring Height Micrometers
Measure valve spring installed height easily and quickly. Accurate instrument fits in place of valve spring and can be expanded until the valve, spring, locks, and retainer are firmly seated.
Part No. Description
Valve Spring Seat, Cup
Valve Guide Cutters, and Arbors
Handy tools help engine builders machine cyl- inder heads for larger-than-stock valve springs or PTFE valve seals. Arbor/pilots are available in three sizes and must be used with each cutting tool. Arbor/pilots will also work with valve guide cutters used for shortening the valve guide when installing a high-lift cam.
COM4700-16
COM4929
Fits Spring Fits Spring Part No. Description Thk. ID OD OD ID
COM4669-16 Spring Locator .060" .570" 1.660" 1.657" .646"
COM4677-16 Spring Locator .060" .570" 1.300" - .910"
COM4682-16 Spring Locator .060" .570" 1.300" - .650"
COM4690-16 Spring Locator .120" .780" 1.253" — .878"
COM4693-16 1 Spring Locator .060" .570" 1.300" — .800"
COM4694-16 2 Spring Locator .060" .570" 1.450" — 1.000"
COM4695-16 Spring Locator .060" .520" 1.300" — .640"
COM4696-16 Spring Locator .060" .570" 1.510" — .970"
COM4700-16 Spring Seat Cup .060" .640" 1.680" 1.550" —
COM4702-16 Spring Seat Cup .060" .640" 1.740" 1.650" —
COM4704-16 Spring Seat Cup .060" .640" 1.580" 1.475" —
COM4705-16 Spring Locator .060" .570" 1.300" — .875"
COM4708-16 Spring Seat Cup .060" .640" 1.780" 1.690" —
COM4770-16 Spring Locator .060" .585" 1.500" — .690"
COM4771-16 Spring Locator .060" .570" 1.550" — .690"
COM4772-16 Spring Locator .060" .570" 1.550" — .750"
COM4773-16 Spring Locator .060" .630" 1.550" — .750"
COM4774-16 Spring Locator .060" .570" 1.625" — .765"
COM4776-16 Spring Locator .060" .570" 1.550" — .790"
COM4777-16 Spring Locator .060" .630" 1.550" — .790"
COM4778-16 Spring Locator .060" .570" 1.550" — .730"
COM4780-16 Spring Locator .060" .630" 1.550" — .730"
COM4781-16 Spring Locator .060" .570" 1.550" — .715"
COM4782-16 Spring Locator .060" .630" 1.550" — .715"
COM4783-16 Spring Locator .060" .630" 1.550" — .690"
COM4784-16 Spring Locator .060" .570" 1.550" — .735"
COM4785-16 Spring Locator .060" .570" 1.550" — .810"
COM4786-16 Spring Locator .060" .570" 1.635" — .870"
COM4861-16 Spring Locator/ .060" .501" 1.300" — .875" LS1
COM4929
1.600"-2.200" Range Height Micrometer
COM4930
1.600"-2.200" Range Height Micrometer, for Beehive Springs
COM4715
Valve Guide Cutter
.500"
COM4718
1.440" Spring Seat Cutter
.630"
COM4719
1.550" Spring Seat Cutter
.630"
COM4720
1.580" Spring Cup Cutter
.630"
COM4722
1.680" Spring Cup Cutter
.630"
COM4724
1.740" Spring Cup Cutter
.630"
COM4725
.485" Valve Guide Cutter
.485"
COM4726
.530" Valve Guide Cutter
.530"
COM4729
Rocker Stud Boss Cutter
N/A
COM4730
5/16" Arbor/Pilot
N/A
COM4732
11/32" Arbor/Pilot
N/A
COM4733
1.440" Spring Seat Cutter
.560"
COM4734
3/8" Arbor/Pilot
N/A
1: Designed for COM26981-16 beehive springs.
2: Designed for COM26986-16 or COM26995-16 beehive springs.
Valve Spring Shims
Part No. Description Cuts Guide
BB Chevy Valve Seat Spacer Kit
COM4779-8
Kit is designed to eliminate rotating
retainers located on the exhaust valves of late model big block Chevys. Eliminates the stacking of over .300" of shims under the valve spring. Spacers properly locate the spring in the seat and prevent it from “walking”.
COM4718
Comp Cams spring shims are
manufactured from the highest
quality shim stock and are
heat treated to withstand the
punishment from modern race engines. Shims must be used to equalize the installed height of the valve spring when set- ting. Sold in sets of 16.
COM4743-16
ID
Valve Train Assembly Spray
COM106
Ground Shipment Only
Part No. Thickness OD
Quantity
Lubricant clings to components to protect valve springs, rocker arms, and pushrods at initial start-up.
COM4736-16
.015"
1.250"
.814"
16
COM4737-16
.015"
1.437"
.645"
16
COM4738-16
.015"
1.480"
.765"
16
COM4739-16
.015"
1.500"
.645"
16
COM4740-16
.015"
1.640"
.635"
16
COM4742-16
.030"
1.250"
.814"
16
COM4743-16
.030"
1.437"
.645"
16
COM4744-16
.030"
1.480"
.765"
16
COM4745-16
.030"
1.500"
.645"
16
COM4746-16
.030"
1.640"
.635"
16
COM4750-16
.060"
1.480"
.765"
16
COM4751-16
.060"
1.500"
.645"
16
COM4752-16
.060"
1.640"
.650"
16
Valve Spring Shim Variety Packs Part No. Thickness
OD
Quantity
COM4753
.015", .030", .060"
1.250"
16 Each Size
COM4754
.015", .030", .060"
1.437"
16 Each Size
COM4755
.015", .030", .060"
1.480"
16 Each Size
COM4756
.015", .030", .060"
1.640"
16 Each Size
COM4757
.015", .030", .060"
1.500"
16 Each Size
240
Steve Mikus
2022-23