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Titanium Retainers Titanium Retainers are made from aerospace quality Timetal ® 62S alloy. Retainers are heat treated and processed to withstand high engine temperatures, triple valve springs and roller cams. The Comp Cams titanium retainer is lighter and stronger than steel with maximum stiffness and minimal warpage up to 10,000 RPM. Most retainers listed must be used with 10° Super Locks. Sold in sets of 16. Part No. Description Lock Angle Valve Stem Size Valve Spring Dia. X A B C COM729-16 Double Super Lock Retainer 10° All 1.500"-1.550" — .730" 1.135" 1.500" COM730-16 Double Super Lock Retainer 10° All 1.437"-1.500" — .700" 1.065" 1.437" COM731-16 Double, Interference, Super Lock Retainer 10° All 1.500"-1.550" — .800" 1.100" 1.437" COM732-16 Double Super Lock Retainer 10° All 1.500"-1.550" — .710" 1.110" 1.500" COM733-16 Double Super Lock Retainer 10° All 1.625" — .765" 1.180" 1.500" COM735-16 Triple Super Lock Retainer 10° All 1.625" .635" .870" 1.180" 1.500" COM738-16 Double Super Lock Retainer 10° All 1.500"-1.550" — .730" 1.120" 1.500" COM739-16* Triple Super Lock Retainer 10° All 1.625" .635" .870" 1.180" 1.500" COM772-16 GM LS1, 26915/26918 Springs 7° Standard 1.290" — — .640" 1.030" * .050" less installed height than COM735. Lightweight Tool Steel Retainers Cost effective retainers are approximately 1/3 the weight of chrome moly steel retainers and only 2-4 grams heavier than titanium units. FEA and CAD designed for the perfect balance of strength and weight, retainers are CNC-machined from exceptionally dense tool steel. Offered for 7° and 10° valve locks. Sold in sets of 16. Part No. Description Lock Angle Valve Stem Size Valve Spring Dia. X A B C COM1730-16 LW Retainers 10° All 1.437"-1.500" — 1.437" 1.065" .700" COM1731-16 LW Retainers 10° All 1.500"-1.550" — 1.437" 1.100" .800" COM1732-16 LW Retainers 10° All 1.500"-1.550" — 1.500" 1.110" .710" COM1750-16 LW Retainers 10° All 1.250" — .735" .870" 1.240" COM1779-16 LW Retainers 7° Stock 1.290" — 1.172" .910" .646" Steel Retainers Comp Cams Steel Retainers are machined from 4140 chrome moly and finished in black oxide. When used with Comp’s high-quality valve springs, retainers will provide positive location. Retainers and locks are offered in 7° and 10° configu- rations for superior strength and maximum stability. Sold in sets of 16. Part No. Description Lock Angle Valve Stem Size Valve Spring Dia. X A B C COM740-16 Super Lock Retainer 10° All 1.437"-1.500" — .690" 1.060" 1.400" COM741-16 Super Lock Retainer 10° All 1.500"-1.550" — .690" 1.115" 1.500" COM742-16 Chevy 283-400, 6 Cyl., Buick V6 7° 11/32" 1.250" — .650" .870" 1.230" COM743-16 Chevy, Olds, Pontiac, SB Ford 7° 11/32" 1.437"-1.500" — .690" 1.060" 1.400" COM744-16 Big Block Chevy, Chrysler, BB Ford 7° 3/8" 1.437"-1.500" — .690" 1.060" 1.400" COM747-16 Super Lock Retainer 10° All 1.437"-1.500" — .690" 1.050" 1.400" COM748-16 Super Lock Retainer 10° All 1.500"-1.550" — .710" 1.095" 1.500" COM749-16 Super Lock Retainer 10° All 1.500"-1.550" — .745" 1.125" 1.500" COM750-16 Super Lock Retainer 10° All 1.250" — .735" .870" 1.240" COM768-16 Ford 7° 11/32" 1.437"-1.500" — .690" 1.030" 1.400" COM774-16 GM LS1, 26915/26918 Springs 7° Std. 1.290" — — .650" 1.030" COM780-16 Steel Retainer 7° 3/8" 1.500"-1.550" — 1.500" 1.115" .690" COM787-16 Non-LS1, 26915/26918 Springs 7° Standard 1.290" — — .640" 1.030" COM792-16 Ford 4.6L 2V, 26113 Beehive 7° Standard .959" — — .630" .930" COM795-16 Super Lock Retainer For 26120 Beehive 10° All 1.095" — — .640" 1.050" COM799-32 Ford 4.6L 4V 7° Stock .943" — — .570" .900"
Super Locks Super Locks are machined with a 10° angle for better distribution of loads over the retainer, reducing the chance of “pull through”. Fit any Comp 10° retainer. Sold in sets of 16 pair.
Valve Locks 7° locks are recommended for applications with light valve spring load. Valve locks are
stamped, hardened for wear resistance and offer the same ac- curate valve spring location as Super Locks without the need to change to 10° retainers. Sold in sets of 16.
Lock Angle
Valve Stem Size
Lock Angle
Valve Stem Size
Part No.
Description
Part No.
Description
COM609-16 -.050" Installed Ht. With Lash Cap Recess
10° 10° 10° 10° 10° 10° 10° 10° 10° 10° 10° 10° 10°
3/8"
COM600-16 COM601-16 COM602-16 COM603-16 COM604-16 COM605-16 COM623-16 COM641-16 COM648-16
Hardened Steel, Single Groove Hardened Steel, Single Groove Hardened Steel, Chrysler, 2-Groove Hardened Steel, Single Groove Hardened Steel, Chrysler, 4-Groove Hardened Steel, 351C Ford, 4-Groove
7° 7° 7° 7° 7° 7° 7° 7° 7° 7°
5/16" 11/32"
COM610-16 COM611-16 COM612-16 COM613-16 COM618-16 COM625-16 COM626-16 COM627-16 †
With Lash Cap Recess With Lash Cap Recess With Lash Cap Recess Without Lash Cap Recess With Lash Cap Recess Chrysler 2-Groove Chrysler 4-Groove Chrysler 2- And 4-Groove
.308" 11/32" 11/32" 11/32" 3/8"
3/8" 3/8" 3/8" 3/8" Std. 3/8"
COM614-16 +.050" Inst. Ht. Without Lash Cap Recess COM616-16 +.050" Inst. Ht. Without Lash Cap Recess
11/32"
3/8" .310" 3/8" 3/8" 3/8"
COM606-16 Hardened Steel, Chrysler, 2- And 4-Groove
GM LS1
Machined Steel, Single Groove Chrysler Machined Steel, Single Groove
11/32"
COM630-16 – .050" Inst. Ht. Without Lash Cap Recess
11/32"
COM632-16
LS1/LS6 Bead Lock
8mm
Note: For 4-cylinder use -8 suffix, for 6-cylinder use -12 suffix. † 8 pair COM625 2-groove and 8 pair COM626 4-groove.
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