The 55.1 GMC manual transmission flywheel will have 6 mounting holes to the crankshaft. You need to see how many bolt holes is in your crankshaft.


"It's just a phase. He'll grow out of it." Mama, 1964

1956 Chevy 1/2-ton 3100
1953 Chevy 6100 "The Yard dog"
1954 GMC Suburban Now with a new proud owner.