CAMSHAFTS AND KITS
Chevrolet Small Block 283-400 (Cont.)
Adv. Duration
Duration @ .050"
Valve Lift
Valve Lash
Lobe Center
Part No.
Description
RPM Range
Mechanical Camshafts & Kits Isky Hi-Rev Series Oval Track Mechanical Camshafts ISK201524 Cam Only 2400-6600 278°/282° 244°/248°
.524"/.534" .534"/.525" .547"/.548" .547"/.555" .535"/.535" .535"/.545" .545"/.545" .545"/.555" .525"/.534" .530"/.543" .543"/.507" .552"/.519" .543/".552" .543"/.561" .552"/.561" .550"/.571" .505"/.505"
.016"/.016" .016"/.016" .016"/.016" .016"/.016" .014"/.014" .014"/.014" .014"/.014" .014"/.014" .024"/.024" .018"/.018" .018"/.018" .024"/.030" .018"/.018" .018"/.018" .018"/.018" .024"/.024" .030"/.030" .020"/.020" .020"/.020" .020"/.020" .016"/.016" .016"/.016" .016"/.016" .016"/.016" .026"/.028" .020"/.020" .026"/.026" .020"/.020" .020"/.020" .020"/.020" .020"/.022" .020"/.020" .020"/.022" .020"/.022" .020"/.020" .020"/.022" .016"/.016" .025"/.025"
106° 106° 106° 106° 108° 106° 108° 106° 106° 106° 108° 106° 106° 106° 106° 106° 108° 110° 110° 110° 110° 110° 110° 106° 106° 106° 106° 106° 106° 107° 106° 106° 106° 104° 106° 107° 106° 106°
ISK201534 ISK201547 ISK201549
Cam Only Cam Only Cam Only
2600-6800 3000-7000 3000-7200
282°/288° 288°/292° 288°/296°
248°/254° 254°/259° 258°/263°
Isky Magnum XL Oval Track Mechanical Camshafts ISK201535 Cam Only 2400-6600 274°/ 274° 246°/246°
ISK201536 ISK201544 ISK201546
Cam Only Cam Only Cam Only
2400-6800 2500-6700 2600-7000
274°/278° 278°/ 278° 278°/282°
246°/250° 250°/250° 250°/254°
Isky Drag Race Mechanical Camshaft ISK201506 Cam Only 3000-7000
290°/290°
254°/254°
Lunati Oval Track & Drag Race Mechanical Camshafts LNT30120944 Cam Only/Oval 3600-7000 296°/298° 255°/259°
LNT30120950 LNT30120953 LNT30120945 LNT30120946 LNT30120936 LNT30120948 LNT30120919
Cam Only/Oval Cam Only/Oval Cam Only/Oval Cam Only/Oval Cam Only/Oval Cam Only/Oval Cam Only/Drag
3800-6500 3000-6400 3800-7000 3400-7000 3500-7000 3500-7200 3800-7200
283°/288° 288°/290° 294/306 288°/293° 288°/298° 293°/298° 292°/302°
244°/249° 249°/249° 256/259 249°/254° 249°/259° 254°/259° 256°/268°
Lunati Tight Lash Solid Cam - Oval Track LNT30120917 Cam Only 2800-7000 278°/282° Lunati “Lift Rule” Solid Cam - Oval Track LNT30120925 Cam Only 2800-6800 285°/295° Roller Camshafts Comp Cams Magnum Roller Camshafts COM12-700-8 Cam Only 2000-6000 268°/268°
248°/252°
.530"/.541"
252°/261°
.525"/.525"
224°/224° 236°/236° 255°/255° 242°/248° 248°/254° 254°/260° 255°/259°
.525"/.525" .550"/.550" .575"/.575" .570"/.576" .576"/.582" .582"/.588" .645"/.645" .660"/.630" .630"/.630" .630"/.630"
COM12-702-8 COM12-705-8
Cam Only Cam Only
2500-6500 3000-7000
280°/280° 300°/300°
Comp Cams Xtreme Energy Roller Camshafts COM12-771-8 Cam Only 2500-6500 280°/286°
COM12-772-8 COM12-773-8 COM12-857-9
Cam Only Cam Only Cam Only
3000-7000 3200-7200 3500-7500
286°/292° 292°/297° 283°/287°
Comp Cams Drag Race Roller Camshafts COM12-801-9 Cam Only 4500-7500 313/322
276/284
COM12-900-9 COM12-908-9
Cam Only Cam Only
3200-6200 4200-7200
288°/296° 300°/308°
252°/258° 264°/270°
Comp Cams Oval Track Standard Base Circle Roller Camshafts COM12-901-9 Cam Only 3500-6500 292°/296° 256°/258° .630"/.630"
COM12-902-9 COM12-906-9 COM12-940-9
Cam Only Cam Only Cam Only
3600-6600 6200-8500 3000-7000
296°/300° 312°/322° 290°/300°
260°/262° 276°/284° 260°/264°
.630"/.630" .630"/.630" .645"/.630"
Comp Cams Oval Track .900" Base Circle Roller Camshafts COM12-890-9 Cam Only 4500-7500 292°/308° 264°/272° .660"/.630"
COM12-920-9 COM12-924-9 COM12-993-9 COM12-996-9
Cam Only Cam Only Cam Only Cam Only
3800-7000 4200-7000 4200-7200 6200-8500
288°/300° 296/304 300°/304°
260°/264° 260/267 264°/266°
.660"/.630" .630"/.630" .630"/.630" .630"/.630"
312/322
276/284
Comp Cams Drag Race .900" Base Circle, 4 & 7 Firing Order Swap, Roller Camshafts COM12-821-14 Cam Only 5000-7500 312°/325°
279°/286°
.679"/.645"
024"/.26"
108°
Comp Cams Roller Camshafts - “Open Wheel” Oval Track COM12-780-9 Cam Only 3200-7500 287°/291° 256°/260° .589"/.589"
.016"/.018"
107°
* Note: For blocks using 50mm roller cam bearings.
2018 ENGINE BUILDER CATALOG
247
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