We are proud to Release the RPG Max Effort Naturally aspirated Monster! This short block is capable of 700+ RWHP NA with the right Cylinder head/Cams/Intake Combination.

– New Ford Performance Gen 3 5.2L Block
– New Callies Compstar 3.900″ Stroke Forged Crankshaft
– RPG Custom Pistons set 3.700″ 14:1 CR
– Manley / Oliver Custom Light Weight I Beam Connecting Rods with ARP2000 Hardware
– Total Seal Piston Ring Set
– Clevite Coated Main and Rod Bearings
– ARP Main Studs and Side Bolts
– Balanced and Assembled to Max Effort N/A Specifications
– 7-8 Week ETA
– A Set Freight charge of $125.00 within the 48 Contiguous US states will be applied when completed and ready to ship

*PARTS MAY VARY DEPENDING ON AVAILABILITY*