CAMSHAFTS AND KITS
Chevrolet Small Block 283-400 (Cont.)
Adv. Duration Intake Exhaust
Duration @ .050" Intake Exhaust
Valve Lash
Lobe Center
Part No.
Description RPM Range
Valve Lift Intake Exhaust
Hydraulic Roller Camshafts Comp Cams 4-Pattern Hydraulic Roller Camshafts COM12-472-44 Cam Only 2300-6600 283°/281°-295°/293° 231°/229°-241°/239° .622"/.619" - .610"/.606" COM12-473-44*# Cam Only 2400-6700 289°/287°-301°/299° 236°/234°-246°/244° .637"/.635" - .621"/.621" COM12-477-44# Cam Only 3200-7500 313°/311°-325°/323° 260°/258°-270°/268° .637"/.637" - .621"/.621" Note: 4-Pattern Grinds Optimize Valve Events Based on Runner Length • Increases Area Under the Curve & High RPM Stability * Specs with 1.6 Rockers # .900" small base circle for use with stroker engine combinations
— 108.5°/107.5° — 109.5°/108.5° — 110.5°/109.5°
Adv. Duration
Duration @ .050"
Valve Lift
Valve Lash
Lobe Center
Part No.
Description RPM Range
Edelbrock Cams EDE2207
Cam Only 1500-6500
305°/314°
242°/240°
.594"/.594"
—
112°
GM Performance Hydraulic Roller Camshaft GMP10185071 Cam Only 1500-5500 275/280 208/221 Howards Cams Hydraulic Roller Cam - Marine HRC110245-12 Cam Only 1800-5400 280°/292° 224°/230°
.474"/.510"
—
112°
.501"/.509"
—
112°
Howards Cams Retro-Fit Hydraulic Roller Camshaft & Lifter Kits HRCCL110235-12 Cam/Lifter Kit 1000-5000 266°/270° 213°/217° .485"/.495" —
112°
Lunati BareBones Hydraulic Camshafts & Lifter Kits LNT10120102LK Cam/Lifter Kit 2000-6000 290°/300° 224°/234°
.465"/.488"
—
112°
Lunati Bootlegger Outlaw Retro-Fit Hydraulic Roller Camshafts LNTXXX12224HR Cam Only 2600-5800 276°/300° 224°/236° .554"/.554" — 108° Lunati Bootlegger Outlaw 5.7L/LT-1 Hydraulic Roller Camshafts - 1987-Present LNTXXX08224HR Cam Only 2600-5800 276°/300° 224°/236° .554"/.554" — 108° LNTXXX08232HR Cam Only 2800-6000 284°/309° 232°/244° .554"/.554" — 108° LNTXXX08240HR Cam Only 3000-6200 292°/317° 240°/252° .554"/.554" — 108° Lunati Voodoo 5.7L/LT-1 & LT4 Hydraulic Roller Camshafts - 1987-Present LNT20080721 Cam Only 1800-6000 270°/278° 219°/227° .515"/.530" — 112° Mechanical Camshafts & Kits Comp Cams Magnum Camshafts & Lifter Kits COM12-223-4 Cam Only 2000-6000 282°/ 282° 236°/ 236° .495"/.495" .022"/.022" 110° COM12-224-4 Cam Only 2500-6500 294°/ 294° 248°/ 248° .525"/.525" .022"/.022" 110° COMCL12-224-4 Cam/Lifter Kit — — — — — — COMCL12-225-4 Cam/Lifter Kit — — — — — — Comp Cams Xtreme Mechanical Camshafts COM12-675-4 Cam Only 1300-5800 262°/268° 224°/230° .477"/.488" .016"/.016" 110° COM12-676-4 Cam Only 1600-6000 268°/274° 230°/236° .488"/.501" .016"/.016" 110° COM12-677-4 Cam Only 2000-6400 274°/270° 236°/242° .501"/.510" .016"/.016" 110° COM12-678-4 Cam Only (CL) 2400-6800 282°/290° 244°/252° .520"/.540" .016"/.016" 110° COM12-679-5 Cam Only 2800-7200 290°/298° 252°/260° .540"/.558" .016"/.016" 110° Note: (CL) - Stocking camshaft and lifters add “CL” to Prefix. Example: COMCL12-678-4. Comp Cams Xtreme Oval Track Mechanical Camshafts COM12-650-5 Cam Only 2900-6400 274°/280° 244°/246° .519"/.519" .016"/.018" 108° COM12-651-5 Cam Only 2800-6600 278°/284° 248°/250° .531"/.525" .016"/.018" 108° COM12-652-5 Cam Only 3000-6800 278°/284° 248°/250° .531"/.525" .016"/.018" 106° COM12-653-5* Cam Only 3200-7000 282°/288° 252°/254° .540"/.531" .016"/.018" 106° COM12-655-5 Cam Only 3400-7400 290°/296° 260°/262° .558"/.543" .016"/.018" 108° COM12-656-5 Cam Only 3000-6700 282/292 256/258 .540"/.537" .016"/.018" 106° COM12-658-5 Cam Only 3400-7200 290°/300° 260°/266° .558"/.549" .016"/.018" 106° COM12-659-5 Cam Only 3500-7400 294/304 264/270 .567"/.555" .016"/.018" 106 Comp Cams Tight Lash Camshafts COM12-500-5 Cam Only 2800-6300 276°/280° 246°/250° .520"/.530" .018"/.018" 106° COM12-505-5 Cam Only 3200-7000 284°/288° 254°/259° .540"/.550" .018"/.018" 106° COM12-506-5 Cam Only 3400-7000 288°/292° 259°/262° .550"/.560" .018"/.018" 106° COM12-515-5* Cam Only 3500-7200 288°/296° 259°/266° .550"/.570" .018"/.018" 106° COM12-517-5 Cam Only 3500-7500 296°/304° 266°/274° .570"/.590" .018"/.018" 106° Note: * Change suffix to -20 for nitrided cam 108° 108° LNTXXX12232HR Cam Only 2800-6000 LNTXXX12240HR Cam Only 3000-6200 284°/309° 292°/317° 232°/244° 240°/252° .554"/.554" .554"/.554" — —
2018 ENGINE BUILDER CATALOG
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