Page 71 - 2021-22_EngineCatalogAP

CAMSHAFTS AND KITS
CHEVROLET SMALL BLOCK
283-400 - Cont.
RPM Adv. Part No. Description Range Duration
Hydraulic Roller Camshafts
Comp Cams Xtreme Energy Retro-Fit Hydraulic Roller Camshafts
Duration @ .050"
258°/264°
260°/264°
264°/270°
270°/276°
276°/282°
282°/288°
288°/294° 236°/242° 294°/300° 242°/248° 300°/306° 248°/254°
Valve Valve Lobe
Lift Lash
Center
COM12-408-8 COM12-411-8 COM12-412-8 COM12-422-8 COM12-423-8 COM12-432-8 COM12-433-8 COM12-443-8 COM12-444-8
Cam Only Cam Only Cam Only Cam Only Cam Only Cam Only K Cam Only Cam Only Cam Only
1000-5000 1200-5200 1200-5200 1600-5400 1900-5600 2200-5800 2500-6000 2800-6100 3200-6200
206°/212° 210°/214° 212°/218° 218°/224° 224°/230° 230°/236°
.480"/.487" — 110° .474"/.474" 111° .487"/.495" — 110° .495"/.502" — 110° .502"/.510" — 110° .510"/.520" 110° .520"/.540" — 110° .540"/.562" — 110° .562"/.580" — 110°
K Comp Cams complete kits include: cam, lifters, valve springs, retainers, locks, valve stem seals, timing chain set, assembly lube, decal, and instructions. Add “K” to Prefix. Example, COMK12-212-2
Comp Cams Thumpr Camshafts for 1987-02 305-350 Engines with OE Hydraulic Roller Cam
COM08-600-8 COM08-601-8 COM08-602-8
Cam Only Cam Only Cam Only
1900-5600 2200-5900 2500-6200
283°/303° 291°/311° 299°/319°
227°/241° 235°/249° 243°/257°
.513"/.498" — 107° .522"/.509" — 107° .533"/.519" — 107°
Comp Cams Thumpr Series Retro-Fit Hydraulic Roller Camshafts
COM12-600-8 Cam Only 1900-5600 283°/303° 227°/241° .511"/.497" — 107°
COM12-601-8
COM12-602-8
Cam Only
Cam Only
2200-5900 291°/311° 235°/249°
2500-6200 299°/319° 243°/257°
.521"/.507" — 107°
.531"/.517" — 107°
Comp Cams Xtreme Energy Camshafts for 1987-98 305-350 Engines with OE Hydraulic Roller Cam
COM08-407-8 COM08-408-8 COM08-412-8 COM08-422-8 COM08-423-8 COM08-432-8 COM08-433-8 COM08-443-8
Cam Only Cam Only Cam Only Cam Only Cam Only Cam Only Cam Only Cam Only
600-4600 1000-5000 1200-5200 1600-5400 1900-5600 2200-5800 2500-6000 2800-6100
252°/258° 258°/264° 264°/270° 270°/276° 276°/282° 282°/288° 288°/294° 294°/300°
200°/206° 206°/212° 212°/218° 218°/224° 224°/230° 230°/236° 236°/242° 294°/300°
.472"/.480" — 110° .480"/.487" — 110° .487"/.495" — 110° .495"/.502" — 110° .502"/.510" — 110° .510"/.520" — 110° .520"/.540" — 110° .242"/.248" — 110°
.474"/.474" — 111° .480"/.488" — 112° .488"/.495" — 112°
Comp Cams Xtreme Energy Series Camshafts
for 1987-98 305-350 Computer Controlled Engines with OE Hydraulic Roller Cam
COM12-413-8 COM08-500-8 COM08-501-8
Cam Only Cam Only Cam Only
1200-5200 1000-5000 1200-5200
270°/274° 258°/264° 264°/269°
220°/224° 206°/212° 212°/218°
Comp Cams Computer Controlled Retro-Fit Hydraulic Roller Camshafts
for 1987-98 305-350 TPI Engines with OE Hydraulic Roller Camshaft (Exc. LT1 and LT4)
COM08-300-8 COM08-302-8 COM08-304-8 COM08-306-8
Cam Only Cam Only Cam Only Cam Only
1000-5000 1200-5200 1400-5400 2000-6000
262°/264° 264°/274° 266°/276° 290°/307°
206°/210° 210°/220° 210°/220° 230°/244°
.450"/.480" — 112° .480"/.480" — 112° .500"/.510" — 114° .510"/.540" — 112°
Comp Cams Xtreme Fuel Injection XFI Camshafts for 1958-02 283-400 Engines Retro-Fit Hydraulic Roller
COM12-364-4 Cam Only 1300-5300 252°/266° 208°/217° .477"/.472" — 113°
Comp Cams Xtreme Energy 4X4 Series Camshafts
for 1987-98 305-350 Computer Controlled Engines with OE Hydraulic Roller Cam
COM08-409-8 COM08-411-8 COM08-414-8 COM08-502-8 COM08-503-8
Cam Only Cam Only Cam Only Cam Only Cam Only
1000-5000 1200-5200 1800-5800 1500-5500 1800-5800
258°/262° 260°/264° 280°/284° 269°/276° 276°/281°
206°/210° 210°/214° 230°/234° 218°/224° 224°/230°
.458"/.458" — 111° .474"/.474" — 111° .474"/.474" — 111° .495"/.503" — 112° .503"/.510" — 112°
Comp Cams Xtreme Marine Series Camshafts for 1987-98 305-350 Computer Controlled Engines with OE Hyd. Roller Cam
COM08-416-8 Cam Only 1000-5000 264°/270° 212°/218° .488"/.495" — COM08-417-8 Cam Only 1200-5200 270°/276° 218°/224° .495"/.503" — COM08-418-8 Cam Only 1500-5500 276°/282° 224°/230° .503"/.510" —
Comp Cams Xtreme Marine Camshafts for 1958-98 262-400 Engines Retro-Fit Hydraulic Roller
COM12-417-8 Cam Only 1500-5500 270°/276° 218°/224° .495"/.503" —
110° 112° 112°
112°
110° 110° 110°
113° 113°
Comp Cams Magnum Series Camshafts
for 1987-98 305-350 Computer Controlled Engines with O.E. Hydraulic Roller Cam
COM08-420-8 COM08-430-8 COM08-460-8
Cam Only Cam Only Cam Only
1800-5000 2000-5500 3000-6500
270°/270° 280°/280° 304°/304°
276°/288° 288°/315°
215°/215° 224°/224° 244°/244°
224°/236° 236°/248°
.500"/.500" — .525"/.525" — .600"/.600" —
.502"/.520" — .520"/.540" —
Comp Cams Hydraulic Roller Cam, Nitrous HP
COM12-415-8 Cam Only 2000-6000 COM12-419-8 Cam Only 2400-6500
2021-22 ENGINE BUILDER CATALOG
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