VALVE SPRING RETAINERS
Titanium Valve Spring Retainers
Valve Stem
"A" OD
"B" OD
"C" OD
"D" OD Qty.
Part No.
Retainer/Spring
K-Motion
KMOK-7320 KMOK-7330
10°, 1.550" 10°, 1.625"
All All
1.500" 1.110" .710" — 16 1.500" 1.180" .765" — 16
D C B A
Manley MAN23553-16 MAN23618-16 MAN23619-16 MAN23630-16 MAN23640-16 MAN23643-16 MAN23644-16 MAN23648-16 MAN23649-16 MAN23650-16 MAN23653-16 MAN23654-16 MAN23655-16 MAN23658-16 MAN23660-16 MAN23661-16 MAN23662-16 MAN23675-16 MAN23676-16
10°, 1.660", Triple +.100"
All All All All All All All All All All All All All All All All All
1.430" 1.185" .860" — 16 1.340" .910" .666" — 16 1.235" .900" .615" — 16 1.440" 1.050" .700" — 16 1.500" 1.175" .850" — 16 1.500" 1.120" .805" — 16 1.500" 1.140" .740" — 16 1.500" 1.150" .825" — 16 1.500" 1.175" .850" — 16 1.500" 1.140" .740" — 16 1.500" 1.185" .860" — 16 1.500" 1.175" .765" — 16 1.500" 1.175" .765" — 16 1.500" 1.105" .710" — 16 1.550" 1.500" 1.105" .710" 16 1.500" 1.120" .705" — 16 1.500" 1.190" .640" — 16
7°, 1.437", 221421 Spring + .050" 10°, 1.335", 221422 Spring + .050" 10°, 1.437-1.550" Outer-Inner 10°, 1.625", Dual Spring +.100" 10°, 1.560" Dual Spring +100"
10°, 1.550 Dual Spring
10°, 1.58"-1.61", Dual Spring +.100"
10°, 1.625", Dual Spring
10°, 1.550", Dual Spring +.100"
10°, 1.660", Triple +.100" 10°, 1.625", Dual Spring
10°, 1.625", Dual Spring +.100"
10°, 1.550"
10°, 1.550" Dual Spring +100" 10°, 1.550", Dual Spring +.100"
10°, 1.625" +.100", Triple 7°, 1.500", Dual Spring
11/32", 3/8" 1.325" 1.045" .720" — 16
10°, 1.500," Dual Spring +.100"
All All All All
1.325" 1.035" .705" — 16 1.325" 1.035" 1.035" — 16 1.450" 1.120" .790" N/A 16 1.450" 1.185" .870" .635" 16
MAN23679-16 Lightweight 10°, 1.500", Dual Spring +.100"
MAN23702L-16 MAN23708L-16 PAC Racing 400 Series PACPAC-R401 PACPAC-R404 PACPAC-R405
Super, 7°, 1.550" Dual Spring Super, 7°, 1.660" Triple Spring
10°, 1.550" Triple Spring + .050" 10°, 1.550" Dual Spring + .050" 10°, 1.500" Dual Spring + .050"
All All All
1.480" 1.185" .865" .635" 16 1.480" 1.165" .840" — 16 1.450" 1.090" .780" — 16
PACPAC-R408 10°, GM LS, 1.040"/0.715" O.D. Steps, Dual Spring +050"
All
1.450" 1.040" .715" — 16
PACPAC-R432 PACPAC-R436 PACPAC-R450 PACPAC-R455 500 Series PACPAC-R501 PACPAC-R502 PACPAC-R504 PACPAC-R505 PACPAC-R506 PACPAC-R508 PACPAC-R509 PACPAC-R510 PACPAC-R514 PACPAC-R515 PACPAC-R517 PACPAC-R532 PACPAC-R536 PACPAC-R540 PACPAC-R541 PACPAC-R547 PACPAC-R552 PACPAC-R565 600 Series PACPAC-R632
Mini 8, Dual Spring
All All All All All All All All All All All All All All All All All All All All All All
.890" .600" — — 16 1.450" 1.125" .800" — 16 1.240" .940" .685" — 16 1.225" .920" .650" — 16 1.681" 1.185" .865" .635" 16 1.681" 1.185" .865" .635" 16 1.625" 1.165" .840" — 16 1.550" 1.090" .780" — 16 1.550" 1.090" .695" — 16 1.514" 1.040" .715" — 16 1.514" 1.040" .715" — 16 1.095" .640" — — 16 1.574" 1.140" .735" — 16 1.575" 1.110" .710" — 16 1.374" .990" .700" — 16 1.200" .890" .600" — 16 1.125" .800" — — 16 1.400" 1.080" .770" — 16 1.400" 1.090" .695" — 16 1.450" 1.060" .735" — 16 1.360" .985" .680" — 16 1.620" 1.215" .865" .630" 16
10°, 1.460" Dual Spring Mini, 8°, Dual Spring
7°, GM LS, 1.280" Dual Spring
10°, 1.475" Triple Spring 8°, 1.475" Triple Spring 10°, 1.475" Dual Spring 10°, 1.400" Dual Spring 10°, 1.400" Dual Spring 10°, 1.365" Dual Spring 8°, 1.365" Dual Spring 10°, 0.990" Beehive Spring 10°, 1.475" Dual Spring 10°, 1.475" Dual Spring
10°, Dual Spring
Mini 8°, 1.284" Dual Spring 10°, 1.450" Dual Spring
8°, 1.284" Dual Spring 8°, 1.536" Dual Spring 8°, 1.550" Dual Spring
Mini 8°, 1.374" Dual Spring 10°, 1.710" Triple Spring
Mini 8°, 1.300" Dual Spring
— 1.250" .890" .600" — 16
551 2021-22 ENGINE BUILDER CATALOG
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