Turn-Key 392 Gen III Hemi


Turn-Key 392 Gen III Hemi based on the 5.7L late model block. Utilizes stroker crank and forged pistons. Holley Sniper intake manifold on this setup controlled by the Holley Terminator X MPEFI system.

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Fuel Type

Fuel Type

Pump Gas


Idle Quality

Idle Quality

Best Use

Best Use

Street / Strip
Horsepower: 500
Torque: 450
Bore/Stroke: 3.927 x 4.050
Compression: 10:1
Fuel Type: Premium Pump Gas
Block: 5.7L Gen III Hemi, Iron
Crankshaft: 4340 Forged Steel
Rods: 4340 Forged H-Beam
Pistons: 4032 Forged Aluminum
Bearings: Performance Mahle / King
Camshaft: Hydraulic Roller
Heads: Edelbrock RPM, Aluminum
Valves: 2.165 / 1.650
Rocker Arms: Mopar OE
Intake: Holley Sniper w/ Manifold
Oil Pan: Milodon Road Race
Valve Covers: Holley Sniper
Power Adder: Not Included
Fuel Delivery: Holley Terminator X MPEFI
Ignition: MSD Pro Billet
Dyno Testing Image

Dyno Testing

Dyno testing not included in long block price. Here at Prestige Motorsports, our “Dyno Promise” means that we dyno test every engine we build to verify the quality of our work, the integrity of each component, and the reliability of every engine we construct. Then, we deliver the dyno results for your project directly to you, the customer. Hours for dyno testing will be calculated with the purchase of the fuel and ignition group per engine order.

Engines will produce +/- 2% of advertised power at the flywheel. Advertised power levels are achieved using an electric water pump and specific induction and exhaust systems. Power will vary after pulley systems are installed or if changes are made to the induction or exhaust system (e.g. camshaft, cylinder head, compression, intake manifold, exhaust headers, air filters, etc.). Chassis dyno results measure power at the wheels and only calculate flywheel horsepower. Wheel horsepower is affected by a variety of vehicle-specific criteria including driveline design, body and chassis flex, air intake location, etc. Therefore, calculating flywheel horsepower from wheel horsepower is not an accurate representation of actual flywheel horsepower.

Warranty Image


This Prestige Motorsports engine is built to order and comes with a 3-year, unlimited miles warranty. Our warranty covers the base engine from intake manifold to oil pan.

392 Gen III Hemi Turn-Key Engine: H392-HR-TK-1