GM Dart 8.1 Upgrade Block GEN VII 4.250 or 350 Bore / PN 31253354

Description

Dart Big M Sportsman 8.1 Gen 7 Engine Block
Brand new 8.1L Vortec engine block. We have these in either 4.250 or 4.350 bores.
10.236 Deck
4 Bolt Main
Machined for Crank Reluctor wheel
8.1L Cylinder head bolt Pattern but machined for SAE threads
Freight:
We can generally ship these blocks for around 5-175 depending on your location. Residential shipping will cost approximately more. For a quote on shipping please send me a message.
Specs:
Bore:   4.250 or 4.350
Deck Height:  10.236
Main caps:  Splayed Ductile
Cylinders: Non-Siamese
Cam: Std Location
For more information contact us
Cobra Power