MITSUBISHI V5A51 AUTO 5-SPD

The ATK HP11 Ford 351W Base Engine is a high-performance crate engine designed for Ford vehicles. It produces an estimated 390 horsepower and 420 lb-ft of torque. The engine is built upon a seasoned OE roller block from 1993-1997 Ford vehicles. Key internal components include an OE 1-piece rear main seal 28oz balance crankshaft, OE connecting rods, and hypereutectic pistons with a 9.8:1 compression ratio and moly rings. The camshaft is a hydraulic roller with specifications of 220/224 duration at 0.050" lift, 0.512" intake/0.512" exhaust lift, and a 112 LSA. It features a double roller timing chain. Airflow is managed by ATK HP aluminum cylinder heads with 58cc combustion chambers, 185cc intake runners, and 2.02" intake/1.60" exhaust valves. Billet aluminum roller rockers with a 1.6 ratio are used. The engine comes with a front sump oil pan and a Melling high volume oil pump.