GM Performance 350 C.I.D. 9.4:1 Truck Long Block Crate Engines (PART #GMP-19432779)

Got a 1/2 ton, 3/4 ton, or other GM pickup with a tired, sick, or broken engine? GM Performance has exactly what you need. Their 350 c.i.d. truck long block crate engines are built up from 1996-2002 style 4-bolt main blocks with one-piece rear main seals. To this, Chevrolet adds a nodular-iron crankshaft, powdered-metal connecting rods, and hypereutectic aluminum pistons.

You also get power-producing Vortec cylinder heads with 1.94 in. intake valves and 1.50 in. exhausts, and 64cc combustion chambers that yield a gas-pump friendly 9.4:1 compression ratio. This combination is paired up with a roller cam that has 0.414 in. of intake lift and 0.428 in. for the exhaust. Duration at 0.050 in. of lift is 191 degrees for the intake and 196 for the exhaust, with 111 degrees of lobe separation. These long block crate engines come complete with an oil pan, timing cover, valve covers, and harmonic balancer.

NEW 350 FEATURES

• All New Cylinder head and block castings
• Forged steel crankshaft
• All blocks are 4 bolt main
• All blocks are roller camshaft ready
• All blocks are mechanical fuel pump capable (Gen1e/L31 has no camshaft eccentric)
• Machined using precision CNC equipment
• Machined and assembled in the USA

BLOCK

• Brand New (Not Remanufactured)
• Cylinders honed on computer controlled machine

ALSO INCLUDED:

• No core charge
• New valve covers , oil pan, timing cover and harmonic balancer less labor hours at your installer
• GM OE part validation must comply with an 18 step quality process
• Torque to turn, compression & oil pressure tested at end of line.

Specifications

• 4-Bolt Main Block (1-Piece Seal)
• Forged Steel Crankshaft
• Powdered Metal Connecting Rods
• Dished Hypereutectic Pistons
• Compression Ratio: 9.4 to 1
• Hydraulic Roller Camshaft
• Lift: .414'' Intake, .428'' Exhaust
• Duration at .050'': 191° Intake, 196° Exhaust
• Hardened valve seats for alternative fuels