BluePrint Short Blocks provide you with a stout basis to build your custom engine on.
Displacement: 377 CID
Bore x Stroke: 4.000” x 3.75”
Block: Brand New Cast & Machined in USA, Cast Iron, 1 piece rear seal, 4-bolt main caps, brass freeze plugs.
Crankshaft: Forged Steel
Connecting Rods: Forged 5.7” H Beam
Pistons: Forged Aluminum
Balance Front: Internal
Balance Rear: External
Head Size / Compression Ratio:64cc — 9.5:1
BluePrint limited 30 month / 50,000 mile parts & labor warranty. Click Here to view or download warranty form.