BBC Camshaft Numbers

BBC Camshaft Part Numbers

Part#    Year     Type     LiftDur @ .050 lift     Comments/Specs/RPO's/Apps

340282            Solid   .560I/.560E.262I/.262E   121 deg overlap, competition-short track apps

353040   1973-74  Hyd     .440I/.440E.210I/.210E   production Corvette

3863143  1965-71  Solid   .520I/.520E.242I/.242E   See Note 1

3883986  1965-72  Hyd     .460I/.488E.213I/.217E   See Note 2

3904362  1965-71  Solid   .520I/.520E.242I/.242E   See Note 3

3925533  1965-69  Solid   .540I/.560E.262I/.269E   133 deg overlap,427 L-88,Reverse rotation

3925535  1965-69  Solid   .540I/.560E.262I/.269E   133 deg overlap,427 L-88,standard rotation

3959180  1969-70  Solid   .560I/.600E.262I/.273E   135 deg overLap, 427 ZL-1, 454 LS-7

3994094           Solid   .600I/.600E.286I/.286E   See Note 4

6272989           Hyd     .500I/.500E.222I/.221E   121 deg overlap, marine grind or HP street

14096209          Hyd     .500I/.500E.222I/.221E   121 deg overlap,marine grind or HP street (6272989)

Note 1: 80 deg overlap, 396 375hp L-78/L-89, 427 425/435hp L-71/L-72, 454 450hp LS-6, HP street

Note 2: 396 325/350hp L-34/L-35, 427 385/390/400hp L-36/L-68, 454 345/360/390hp LS-4/LS-5, good torque/HP

Note 3: 80 deg overlap, 396 375hp L-78/ L-89, 427 425/435hp L-71/L-72, 454 450hp LS-6, HP street

Note 4: 148 deg overlap, maximum power with F.I. or tunnel ram, Can Am