
1970 Corvette Casting
Numbers
Application |
Block |
Cylinder Head |
Intake |
Exhaust (left) |
Exhaust (right) |
350 - 300 HP Base (early) |
3970010 |
3927186 |
3965577 |
3846559 |
3932465 |
350 - 300 HP Base (late) |
3970010 |
3927186 |
3965577 |
3846559 |
3989036 |
350 - 350 HP L46 (early) |
3970010 |
3927186 |
3965577 |
3846559 |
3932465 |
350 - 350 HP L46 (late) |
3970010 |
3927187 |
3965577 |
3846559 |
3989036 |
350 - 370 HP LT1 |
3970010 |
3973414 |
3972110 |
3872765 |
3932461 |
454 - 390 HP LS5 (early) |
3963512 |
3964290 |
3955287 |
3969869 |
3880828 |
454 - 390 HP LS5 (late) |
3963512 |
3964290 |
3969802 |
3969869 |
3880828 |

1971 Corvette Casting
Numbers
Application |
Block |
Cylinder Head |
Intake |
Exhaust (left) |
Exhaust (right) |
350 - 270 HP Base |
3970010 |
3973487 |
3973469 |
3846559 |
3989036 |
350 - 330 HP LT1 |
3970010 |
3973487 |
3959594 |
3872765 |
3932461 |
454 - 365 HP LS5 |
3963512 |
3993820 |
3955287 |
3880869 * |
3880828 |
454 - 425 HP LS6 (early) |
3963512 |
3946074 |
3967474 |
3880869 * |
3880828 |
454 - 425 HP LS6 (late) |
3963512 |
3946074 |
3963569 |
3880869 * |
3880828 |
*3969869 was also used

1972 Corvette Casting
Numbers
Application |
Block |
Cylinder Head |
Intake |
Exhaust (left) |
Exhaust (right) |
350 - 200 HP Base (early) |
3970010 |
3998993 |
6263751 |
3932461 |
3989036 |
350 - 200 HP Base (late) |
3970014 |
3973487X |
6263751 |
3932461 |
3932461 |
350 - 255 HP LT1 (early) |
3970010 |
3998993 |
3959594 |
3932461 * |
3932461 * |
350 - 255 HP LT1 (late) |
3970014 |
3973487X |
3959594 |
3932461 * |
3932461 * |
454 - 270 HP LS5 |
3999289 |
3999241 |
6263753 |
3969869 |
3880828 |
*386711 was also used

1973 Corvette Casting
Numbers
Application |
Block |
Cylinder Head |
Intake |
Exhaust (left) |
Exhaust (right) |
350 - 190 HP L48 (early) |
3970014 |
3998993 |
3997770 |
3932461 |
3932461 |
350 - 190 HP L48 (mid) |
3970010 |
333881 |
3997771 |
3932461 |
3932461 |
350 - 190 HP L48 (late) |
3970010 |
333882 |
3997771 |
3932461 |
3932461 |
350 - 250 HP L82 |
3970010 |
330545 |
3997771 |
3932461 |
3932461 |
454 - 275 HP LS4 |
3999289 |
353049 |
353015 |
3969869 |
3880828 |

1974 Corvette Casting
Numbers
Application |
Block |
Cylinder Head |
Intake |
Exhaust (left) |
Exhaust (right) |
350 - 195 HP L48 (early) |
3970010 |
333881 |
340261 |
3932461 |
3932461 |
350 - 195 HP L48 (late) |
3970010 |
333882 |
340261 |
3932461 |
3932461 |
350 - 250 HP L82 |
3970010 |
333882 |
340261 |
3932461 |
3932461 |
454 - 275 HP LS4 (early) |
3999289 |
336781 |
353015 |
3969869 |
3880828 |
454 - 275 HP LS4 (late) |
3999289 |
336781 |
336789 |
3969869 |
3880828 |

1975 Corvette Casting
Numbers
Application |
Block |
Cylinder Head |
Intake |
Exhaust (left) |
Exhaust (right) |
350 - 165 HP L48 |
3970010 |
333882 |
346249 |
3932461 |
3932461 |
350 - 250 HP L82 |
3970010 |
333882 |
346249 |
3932461 |
3932461 |

1976 Corvette Casting
Numbers
Application |
Block |
Cylinder Head |
Intake |
Exhaust (left) |
Exhaust (right) |
350 - 180 HP L48 |
3970010 |
333882 |
346249 |
3932461 |
3932461 |
350 - 210 HP L82 |
3970010 |
333882 |
346249 |
3932461 |
3932461 |

1977 Corvette Casting
Numbers
Application |
Block |
Cylinder Head |
Intake |
Exhaust (left) |
Exhaust (right) |
350 - 180 HP L48 (early) |
3970010 |
333882 |
346249 |
3932461 |
3932461 |
350 - 180 HP L48 (late) |
3970010 |
376450 |
346249 |
3932461 |
3932461 |
350 - 210 HP L82 |
3970010 |
333882 |
346249 |
3932461 |
3932461 |

1978 Corvette Casting
Numbers
Application |
Block |
Cylinder Head |
Intake |
Exhaust (left) |
Exhaust (right) |
350 - 175 HP L48 |
3970010 |
462624 |
346249 |
3932461 |
3932461 |
350 - 185 HP L48 |
3970010 |
462624 |
346249 |
3932461 |
3932461 |
350 - 220 HP L82 |
3970010 |
462624 |
458520 |
3932461 |
3932461 |

1979 Corvette Casting
Numbers
Application |
Block |
Cylinder Head |
Intake |
Exhaust (left) |
Exhaust (right) |
350 - 195 HP L48 (early) |
3970010 |
462624 |
14007376 |
3932461 |
3932461 |
350 - 195 HP L48 (late) |
14016379 |
462624 |
14014433 |
3932461 |
3932461 |
350 - 225 HP L82 (early) |
3970010 |
462624 |
458520 |
3932461 |
3932461 |
350 - 225 HP L82 (late) |
14016379 |
462624 |
14007378 |
3932461 |
3932461 |

1980 Corvette Casting
Numbers
Application |
Block |
Cylinder Head |
Intake |
Exhaust (left) |
Exhaust (right) |
305 - 180 HP LG4 |
4715111 |
14014416 |
14014432 |
14037671-W |
14037672-W |
350 - 190 HP L48 (early) |
3970010 |
462624 |
14014432 |
3932461 |
3932461 |
350 - 190 HP L48 (late) |
14010207 |
462624 |
14014432 |
3932461 |
3932461 |
350 - 230 HP L82 (early) |
3970010 |
462624 |
14014432 |
3932461 |
3932461 |
350 - 230 HP L82 (late) |
14010207 |
462624 |
14014432 |
3932461 |
3932461 |

1981 Corvette Casting
Numbers
Application |
Block |
Cylinder Head |
Intake |
Exhaust (left) |
Exhaust (right) |
350 - 190 HP L81 |
14010207 |
462624 |
14033058 |
14037671-W |
14037672-W |

1982 Corvette Casting
Numbers