2021-22 Circle Track Catalog

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Dimensions

Lock Angle

Valve Stem Size

Valve Spring Diameter

A

B

C

Part No.

Description

COM720-16 COM729-16 COM730-16 COM732-16 COM733-16 COM735-16 COM738-16

Double Lightweight Retainer Double Super Lock Retainer Double Super Lock Retainer Double Super Lock Retainer Double Super Lock Retainer Triple Super Lock Retainer Double Super Lock Retainer

10° 10° 10° 10° 10° 10° 10°

All All All All All All All All

1.500"-1.550" .798" 1.198" 1.437" 1.500"-1.550" .730" 1.135" 1.500" 1.437"-1.500" .700" 1.065" 1.437" 1.500"-1.550" .800" 1.100" 1.437" 1.500"-1.550" .710" 1.110" 1.500"

COM731-16 Double Interference Super Lock Retainer 10°

1.625" 1.625"

.765" 1.180" 1.500" .870" 1.180" 1.500"

1.500"-1.550" .730" 1.120" 1.500"

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Lock Angle

Valve Stem Size 5/16" 11/32" 11/32"

Guide Size

Valve Stem Size 5/16" 11/32" 11/32" 11/32" 11/32" 11/32"

Part No.

Description

Part No.

Description

COM500-16 COM501-16 COM502-16 COM503-16 COM506-16 COM529-16

Positive Stop PTFE

.530" Stock Stock .530" .494" .530"

COM600-16 COM601-16 COM648-16

Hardened Steel, Single Groove Hardened Steel, Single Groove Machined Steel, Single Groove

7° 7° 7°

O-Ring Umbrella

Positive-Type PTFE Triple Spring Viton Metal Body Viton

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8CNXG5RTKPI5JKO8CTKGV[2CEMU Part No. Thickness Quantity O.D. COM4753 .015", .030", .060" 16 Each Size 1.250" COM4754 .015", .030", .060" 16 Each Size 1.437" COM4755 .015", .030", .060" 16 Each Size 1.480" COM4757 .015", .030", .060" 16 Each Size 1.500" COM4756 .015", .030", .060" 16 Each Size 1.640" 8CNXG5RTKPI5GCV%WRUCPF.QECVQTU Comp Cams’ spring seat cups and

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Lock Angle

Valve Stem Size 11/32" 11/32"

Part No.

Description

COM611-16 COM613-16 COM614-16 COM618-16 COM630-16

Lock with Lash Cap Recess Lock without Lash Cap Recess Lock +.050" Inst. Ht. without Lash Cap Recess Lock with Lash Cap Recess

10° 10° 10° 10° 10°

11/32"

.310"

Lock - .050" Inst. Ht. with Lash Cap Recess

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11/32"

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Fits Spring O.D.

Fits Spring I.D.

Part No.

Description

Thk.

I.D.

O.D.

COM4677-16 Spring Locator .060" .570" 1.300" — .910" COM4682-16 Spring Locator .060" .570" 1.300" — — COM4700-16 Spring Seat Cup .060" .640" 1.670" 1.565" — COM4702-16 Spring Seat Cup .060" .640" 1.730" 1.650" — COM4704-16 Spring Seat Cup .060" .640" 1.570" 1.475" — COM4708-16 Spring Seat Cup .060" .640" 1.780" 1.690" — COM4759-16 Spring Locator .060" .570" 1.550" — .810" 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" COM4775-16 Spring Locator .060" .630" 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"

Lock Angle

Valve Stem Size 11/32"

Part No.

Description

COM638-16

Lock with Lash Cap Recess

10°

Stud Girdles 6WXGJLUGOHVDUHPDGH RIUXJJHG7

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Stud Size

COM4004 COM4007 COM4009 COM4014 COM4018

SB Chevy Spring Loaded

7/16"

SB Chevy Solid Bar SB Chevy Solid Bar

3/8"

7/16" 7/16" 7/16"

SB Ford 289-302, 351W Standard Head SB Chevy Spring Loaded, 40/60 Spacing

294

CIRCLE TRACK 2021-22

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