Titanium 10° Retainers Titanium is stronger and lighter than steel and can stand up to high-pressure springs. American-made IURPWKH¿QHVW$/9DOOR\IRUPD[LPXPVWLIIQHVVDQGPLQLPDOZDUSDJH6HHFKDUWIRUGLPHQVLRQV6ROG in sets of 16.
Dimensions
Lock Angle
Valve Stem Size
Valve Spring Diameter
Part No.
Description
A
B
C
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"
Valve Locks /RFNVDUHUHFRPPHQGHGIRUOLJKWYDOYH
Valve Stem Oil Seals Seals prevent oil from entering the combustion chamber. Use O-Ring seal with standard retainer
VSULQJORDGV9DOYHORFNVDUHDYDLODEOHLQKDUGHQHGRUSUHPLXP machined steel versions for wear resistance and offer the same DFFXUDWHYDOYHVSULQJORFDWLRQDV6XSHU/RFNVZLWKQRQHHGWR change to 10° retainers. Sold in sets of 16 pairs (32 pieces).
and oil splash shield. Use umbrella seals with larger-than-stock GLDPHWHUVSULQJVDQGSRVLWLYHVWRS37)(VHDOVIRUGRXEOH VSULQJV37)(VHDOVUHTXLUHPDFKLQLQJ RWKHUVGRQRW
Lock Angle
Valve Stem Size 5/16" 11/32" 11/32"
Guide Size .530" Stock Stock .530" .494" .530"
Valve Stem Size 5/16" 11/32" 11/32" 11/32" 11/32" 11/32"
Part No.
Description
Part No.
Description
COM600-16 COM601-16 COM648-16
Hardened Steel, Single Groove Hardened Steel, Single Groove Machined Steel, Single Groove
7° 7° 7°
COM500-16 COM501-16 COM502-16 COM503-16 COM506-16 COM529-16
Positive Stop PTFE
O-Ring
Umbrella
Positive-Type PTFE Triple Spring Viton Metal Body Viton
Super Locks 6XSHU/RFNVDUHPDFKLQHGZLWKDDQJOH
for better load distribution over the retainer to eliminate “pull WKURXJK´6XSHU/RFNV¿WDQ\&RPSUHWDLQHU6ROGLQ sets of 16 pairs (32 pieces).
Valve Spring Shim Variety Packs 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" Valve Spring Seat Cups And Locators Comp Cams’ spring seat cups and
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
11/32"
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.
Titanium Super Locks Manufactured from lightweight, durable WLWDQLXP/RFNVLQFOXGHDDQJOHDQG¿WDQ\&RPSUHWDLQ - er. Sold in sets of 16 pairs (32 pieces).
Fits Spring O.D.
Fits Spring I.D.
Part No.
Description
Thk.
I.D.
O.D.
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 Stud girdles are made of rugged 6061-T6 aluminum, and tie the rocker studs together for alignment and durability. Sold in pairs. Complete with nuts. Part No. Description Stud Size COM4004 SB Chevy Spring Loaded 7/16" COM4007 SB Chevy Solid Bar 3/8" COM4009 SB Chevy Solid Bar 7/16" COM4014 SB Ford 289-302, 351W Standard Head 7/16" COM4018 SB Chevy Spring Loaded, 40/60 Spacing 7/16"
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2019-20 CIRCLE TRACK PARTS AND ACCESSORIES
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