Page 210 - 2018 Racecar Engineering Drag Racing Parts and Accessories Catalog

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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 Valve Locks
Super Locks are machined with a 10° angle for better 7° locks are rec om mend ed for ap pli ca tions
distribution of loads over the re tain er, re duc ing the with light valve spring load. Valve locks are
chance of “pull through”. Fit any Comp 10° retainer. Sold in sets stamped, hardened for wear re sis tance and offer the same ac-
of 16 pair. curate valve spring lo ca tion as Su per Locks without the need to
change to 10° retainers. Sold in sets of 16.
Lock Valve Stem
Part No. Description Angle Size Lock Valve Stem
COM609-16 -.050" Installed Ht. With Lash Cap Recess 10° 3/8" Part No. Description Angle Size
COM610-16 With Lash Cap Recess 10° .308" COM600-16 Hardened Steel, Single Groove 7° 5/16"
COM611-16 With Lash Cap Recess 10° 11/32" COM601-16 Hardened Steel, Single Groove 7° 11/32"
COM612-16 With Lash Cap Recess 10° 3/8" COM602-16 Hardened Steel, Chrysler, 2-Groove 7° 3/8"
COM613-16 Without Lash Cap Recess 10° 11/32" COM603-16 Hardened Steel, Single Groove 7° 3/8"
COM614-16 +.050" Inst. Ht. Without Lash Cap Recess 10° 11/32" COM604-16 Hardened Steel, Chrysler, 4-Groove 7° 3/8"
COM616-16 +.050" Inst. Ht. Without Lash Cap Recess 10° 3/8" COM605-16 Hardened Steel, 351C Ford, 4-Groove 7° 11/32"
COM618-16 With Lash Cap Recess 10° .310" COM606-16 Hardened Steel, Chrysler, 2- And 4-Groove 7° 3/8"
COM625-16 Chrysler 2-Groove 10° 3/8" COM623-16 GM LS1 7° Std.
COM626-16 Chrysler 4-Groove 10° 3/8" COM641-16 Machined Steel, Single Groove Chrysler 7° 3/8"
COM627-16 † Chrysler 2- And 4-Groove 10° 3/8" COM648-16 Machined Steel, Single Groove 7° 11/32"
COM630-16 – .050" Inst. Ht. Without Lash Cap Recess 10° 11/32"
COM632-16 LS1/LS6 Bead Lock 10° 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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