DISCONTINUED; USE P5249666AE
CRATE ENG
Part #
P5249666AC
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The 472ci Hemi crate engine from Mopar Performance is based on the 426 heavy-duty cast iron block with cross bolted mains. The 4.150” Stroke forged steel crankshaft Strokes the power up to 525 HP and belts out 540 ft-lbs. of torque. The cast iron Hemi heads are equipped with 20250” intake and 1.940” exhaust vales, heavy-duty single valve springs and topped off with a pair of chrome Mopar valve covers. The 292°, 0.524”/0.543” hydraulic camshaft is driven by a double roller timing chain that is hidden behind the chrome timing cover. Equipped with Mopar’s precise electronic ignition and dual plane M1 4 barrel intake, all this 9.0:1 compression Hemi needs is an 850 cfm Holley® carburetor and some high octane pump gas.
Block: Cast Street Hemi, 4.250 in. Bore
Camshaft Duration @ 0.050 in. I/E: 236 / 236
Camshaft Lift (in.) I/E: 0.495 / 0.480
Crankshaft: Forged Steel, 4.150 in. Stroke
Heads, Chamber Size: Cast Iron Hemi, 170cc
Horsepower: 525
Intake Manifold: M1 Aluminum Dual Plane
Torque: 540 ft/lbs
Valves (I/E) (in.): 2.250 / 1.940


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