Product Information Chevrolet:Small-Block Gen I:262 (4.3L)-400 (6.6L);Chrysler:Small-Block LA-Series:318 (5.2L)/340 (5.6L)/360 (5.9L);Ford:Small-Block:289 (4.7L)-351W (5.8L);Ford:-:429 (7.0L)-460 (7.5L);Oldsmobile:-:330 (5.4L)-403 (6.6L);Oldsmobile:-:400 (6.6L)-455 (7.5L);Pontiac:-:389 (6.4L)-455 (7.5L)