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 |