Page 73 - 2021-22_EngineCatalogAP

CHEVROLET SMALL BLOCK
283-400 - Cont.
RPM Adv. Part No. Description Range Duration
Duration Valve Valve Lobe
Mechanical Camshafts and Kits
Comp Cams Factory Muscle Camshafts 302 CID, 1967-69 Z28,
Factory 290 HP 327 CID, 1964-65, Factory 365/275 HP 350 CID, 1970-71 LT1, Factory 370 HP
COM12-107-3 Cam Only 2800-6800
Comp Cams Drag Race Mechanical Camshafts
COM12-614-5 Cam Only 5000-7700
Comp Cams Nostalgia Plus Mechanical Camshafts
COM12-673-4 Cam Only 2300-6900
Comp Cams Oval Track Low Lift Rule Mechanical Camshafts
COM12-523-5 Cam Only 2500-6000
Comp Cams Solid Cam - "Open Wheel" Oval Track
346°/346°
310°/320°
284°/291°
270°/282°
284°/293°
280°/285° 285°/295° 290°/304° 290°/304° 300°/314°
290°/298°
278°/284°
290°/300°
254°/254°
275°/283°
247°/254°
242°/250°
258°/264°
242°/250° 250°/260° 255°/266° 255°/266° 265°/276°
252°/260°
248°/250° 260°/266°
254°/254° 257°/269°
244°/252° 244°/252° 252°/260° 256°/264° 260°/270°
238°/248° 244°/252° 252°/260°
254°/262° 244°/250°
256°/264° 256°/264°
248°/252° 252°/260°
248°/252°
252°/260°
252°/260° 255°/263°
244°/244°
244°/248° 247°/254° 248°/254° 254°/259° 258°/263°
.485"/.485" .024"/.024" 114° .585"/.588" .026"/.028" 104°
COM12-527-5 Cam Only
Comp Oval Track Camshafts
3300-7300
2800-6200 3000-6500 3500-6800 3700-7000 4300-7300
.504"/.498"
.473"/.473"
.597"/.606"
.507"/.532" .532"/.555" .540"/.534" .540"/.534" .562"/.557"
.540/.558
.531"/.525" .558"/.549"
.485"/.485" .493"/.512"
.518"/.536" .518"/.536" .536"/.554" .545"/.563" .555"/.578"
.480"/.500" .518"/.536" .536"/.554"
.525"/.546" .503"/.518"
.537"/.557" .504"/.504"
.012"/.012" 112°
.018'/.018" 106°
.016"/.018" 107°
.022"/.022" 106° .022"/.022" 106° .022"/.022" 104° .022"/.022" 106° .022"/.022" 106°
.016"/.016" 110°
.016"/.018" 106° .016"/.018" 106°
.030"/.030" 114° .024"/.024" 112°
.026"/.026" 106° .026"/.026" 106° .026"/.026" 106° .026"/.026" 105° .026"/.026" 106°
.022"/.022" 114° .026"/.026" 112° .026"/.026" 112°
.022"/.024" 105° .022"/.024" 105°
.026"/.026" 105° .026"/.026" 105°
COM12-608-5 COM12-609-5 † COM12-610-5 † COM12-611-5 † COM12-612-5
Cam Only Cam Only Cam Only Cam Only Cam Only
† Change suffix to -20 for nitrided cam
Comp Cams Mechanical Cam - 4 & 7 Firing Order Swap
COM12-665-47 Cam Only
Comp Cams Solid Cam - 4 & 7 Swap C/T
COM12-688-47 Cam Only
COM12-690-47 Cam Only
2800-7200
3000-6800
3400-7200
Crane Cams Blueprint Mechanical Factory Performance Camshafts
CRN967251 Cam Only 4000-6800
CRN968821 Cam Only Off-Road
Crane Cams Saturday Night Special Camshafts and Lifter Kits
— —
280°/288° 280°/288° 288°/296° 292°/300° 295°/305°
278°/288° 280°/288° 290°/298°
288°/292° 276°/282°
287°/295° 287°/295°
286°/294° 292°/298°
286°/294°
292°/298°
286°/292° 288°/296°
288°/288°
278°/282° 282°/282° 282°/288° 288°/292° 288°/296°
CRN110921 CRN110922 CRN110981 CRN111411 CRN111451
Cam Only Cam/Lifter/Spring Kit Cam Only
Cam Only
Cam Only
3200-6800 3200-6800 4000-7000 4200-7200 4500-7500
3000-6500 3400-6800 4000-7500
3000-7000 2500-6500
3200-6500 3200-6500
2500-6500 3000-7200
2500-6500
3000-7200
2600-6800
3000-7400
Crane Cams Powermax Camshafts
CRN113841 CRN114681 CRN114691
Cam Only Cam Only Cam Only
Crower Compu-Pro Mechanical Camshafts
CRO00351 Cam Only
CRO00355 Cam Only
Elgin Mechanical Camshafts
ELGE-1090-P Cam Only
ELGE-1091-P Cam Only
Howards Cams Solid Cam - C/T
HRC110812-06 HRC110822-06
HRC110912-06S
HRC110922-06S
HRC111752-06
HRC112662-06
Cam Only
Cam Only Cam Only - Small Base Circle Cam Only - Small Base Circle Cam Only Cam Only
.534"/.542" .014"/.014" 106° .543"/.563" .014"/.014" 106°
.534"/.542" .014"/.014" 106°
.543/".563" .014"/.014" 106°
.525"/.525" .022"/.022" 106° .540"/.555" .022"/.022" 106°
.510"/.510" .022"/.022" 108°
.524"/.534" .016"/.016" 106° .507"/.525" .016"/.018" 106° .534"/.525" .016"/.016" 106° .547"/.548" .016"/.016" 106° .547"/.555" .016"/.016" 106°
Howards Cams Solid Cam, Max Torque - Street/Strip
HRC111002-08 Cam Only 2400-6200
Isky Hi-Rev Series Oval Track Mechanical Camshafts
ISK201524 ISK201525 ISK201534 ISK201547 ISK201549
Cam Only Cam Only Cam Only Cam Only Cam Only
2400-6600 2600-6800 2600-6800 3000-7000 3000-7200
CAMSHAFTS AND KITS
@ .050" Lift Lash
Center
2021-22 ENGINE BUILDER CATALOG 71