GM 3951509 Small Block Chevy 400 Bare Block 2 Bolt .030 Over 4.155 Bore
GM
$699.99
This is a bare 400 small block Chevy bare block. Measures 4.155 on the bore. Steam holes look good. This block needs to be machined to your specs. Pics are of actual item.
Casting number: 3951509
Date code:
Current bore size: 4.125
Main bolts: 2
Rear main seal: 2 Piece
Shipping is to lower 48 and to closest depot or business address.