NOTE:

• Core return can be any Small Block Chevy 350ci engine, except 1992-1997 LT1 style engines

 This engine makes a great foundation for a mild performance build or a good upgrade for a worn out short block.

Block Information:

• Seasoned OE 4 bolt main 1pc seal 1996-2000 roller block, passenger side dipstick
• Bore/Stroke: 4.040" x 3.480"
• Displacement: 350ci
• Camshaft Bearings: Dura-Bond, installed and clocked to OEM position
• Freeze Plugs: Brass, installed and sealed
• Oil Galley Plugs: Installed and sealed

Rotating Assembly:

• Crankshaft: OE cast crank
• Balance: External rear (flexplate/flywheel), internal front (haromonic balancer)
• Rods: OE powder metal 5.7"
• Compression Ratio: 58cc= 10.5:1 / 64cc= 9.8:1 / 70cc= 9.2:1
• Pistons: Hypereutectic -10cc dish with 4 valve reliefs
• Rings: Plasmamoly

 Recommended Components:

• Balancer: Internal balance
• Flexplate/Flywheel: External balance (1987-Up 1 piece rear main)
• Head Gasket: .038" thickness or per application
• Oil: 10W30 Non synthetic for first 3000 miles
• Oil Filter: Wix or K&N per application

Please CLICK HERE for ATK Warranty