BBC Camshaft Part Numbers
Part # Year Type Lift Dur @ .050 lift Comments/Specs/RPO's/Apps
340282 Solid .560I/.560E Lift .262I/.262E 121 deg overlap, competition-short track apps
353040 1973-74 Hyd .440I/.440E Lift .210I/.210E production Corvette
3863143 1965-71 Solid .520I/.520E Lift .242I/.242E See Note 1
3883986 1965-72 Hyd .460I/.488E Lift .213I/.217E See Note 2
3904362 1965-71 Solid .520I/.520E Lift .242I/.242E See Note 3
3925533 1965-69 Solid .540I/.560E lift .262I/.269E 133 deg overlap, 427 L-88, Reverse rotation
3925535 1965-69 Solid .540I/.560E Lift .262I/.269E 133 deg overlap, 427 L-88, standard rotation
3959180 1969-70 Solid .560I/.600E lift .262I/.273E 135 deg overLap, 427 ZL-1, 454 LS-7
3994094 Solid .600I/.600E Lift .286I/.286E See Note 4
6272989 Hyd .500I/.500E Lift .222I/.221E 121 deg overlap, marine grind or HP street
14096209 Hyd .500I/.500E Lift .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