1987 - 1995 3/4, 1 Ton Trks 350 (L05)
(Part # 12520270)

Price: $2,099.00

Nodular-iron crankshaft, powdered-metal connecting rods, and hypereutectic aluminum pistons. You also get power-producing cylinder heads with 1.94 in. intake valves and 1.50 in. exhausts, and 76cc combustion chambers that yield a gas-pump friendly 8.75:1 compression ratio. This combination is paired up with a hydraulic cam that has 0.382 in. of intake lift and 0.402 in. for the exhausts. Duration at 0.050 in. of lift is 166 degrees for the intakes and 175 for the exhausts, with 112 degrees of lobe separation. These engines come complete with an oil pan, timing cover, valve covers, and harmonic balancer.

All GM Goodwrench Engines come with a 3 year/100,000 mile parts and labor warranty provided it used for the application that it is listed.