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