Power to weight ratio. Making a street car respond is a simple as increasing the power available to move a given amount of weight. The bottom line is torque. The max cubic inches in the 347 makes it easy to move your car.

347ci Street Performer

4.000 to 4.040 bore - 3.400 stroke - Flat top piston

• Cast steel crankshaft
• CNC Beam forged steel connecting rods (5.400)
• Probe SRS forged pistons
• hydraulic roller camshaft
• Performance prepped cylinder heads

347ci Street Performer -GT

4.000 to 4.040 bore - 3.400 stroke - Flat top piston

• Cast steel crankshaft
• CNC Beam forged steel connecting rods (5.315)
• Probe SRS forged pistons
• Dished and Blower Dish pistons available
• hydraulic roller camshaft
• Edelbrock Performer cylinder heads

347ci Forged Performer

4.000 to 4.040 bore - 3.400 stroke - Flat top piston

• Forged steel crankshaft
• 4340 forged steel connecting rods (5.315)
• Probe SRS forged pistons
• Dished and Blower Dish pistons available
• hydraulic roller camshaft
• Edelbrock Victor Jr. cylinder heads

347ci Forged Performer GT-Forced Induction

4.000 to 4.040 bore - 3.400 stroke - 8.5:1 forged piston

• Forged steel crankshaft
• 4340 forged steel connecting rods (5.315)
• Probe SRS forged pistons (8.5:1)
• Dished and Blower Dish pistons available
• hydraulic roller camshaft
• Edelbrock Victor Jr. cylinder heads

Pro Modular Performance 347 Dominator

PMP Small Block Ford race motor. The PMP 347 Dominator is a Sportsman Block, main girdled, 5.400" 4340 steel rodded, 12.5 to 1 short block. Add our Stage III 5 axis CNC ported cylinder heads that flow around 320/225 and you have all the power you need to have a very enjoyable day at the race track.

347ci Dominator

4.000 to 4.040 bore - 3.400 stroke -12.5:1 Compression

• Ford SVO Sportsman Block (O-Ringed)
• 4340 forged steel crankshaft
• forged steel connecting rods (5.400)
• Probe SRS forged pistons (Dome top)
• main girdle
• Solid roller camshaft
• Edelbrock Victor Jr. cylinder heads –(Stage III 5th axis CNC Port)

$2,299.99

$4,799.99

Long Block

$5,599.99

Long Block

$5,699.99

Long Block

$6,999.99

• Kits include: crankshaft, connecting rods, pistons, wrist pins, rings, and rod and main

• Shortblocks include: all of the above installed in an appropriate engine block. The assembly is balanced and blueprinted.

• Longblocks include: all the above installed in or shortblocks  plus cam and fully assembled cylinder heads, head studs and head gaskets. Valvetrane components, intake, oil pan, valve covers, water pump sold separately.

• longblock head options also include: Roush 200, Performer RPM, DART Sr or Jr,  [other heads are available with additional cost. please call or email