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Price: $1135.00
1-290-006 Brand: Speedmaster Part Number: 1-290-006 Part Type: Engine Rotating Kits Actual Engine CID: 347 Bore (in): 4.030 in. Engine Stroke (in): 3.400 in. Balanced: No Pistons Included: Yes Piston Rings Included: Yes Piston and Ring Oversize (in): 0.030 in. Piston Material: Hypereutectic aluminum Piston Style: Flat top, with four valve reliefs Piston Head Volume (cc): -4.00cc Wrist Pin Style: Floating Piston Ring Facing Material: Plasma-moly Crankshaft Included: Yes Crankshaft Material: Cast steel Rear Main Seal Style: 1-piece Engine Balance: External Connecting Rods Included: Yes Connecting Rod Material: Forged 4340 steel Connecting Rod Beam Style: H-beam Connecting Rod Length Center to Center (in): 5.400 in. Rod Bearings Included: Yes Rod Bearing Undersize (in): Stock Main Bearings Included: Yes Main Bearing Undersize (in): Stock Cam Bearings Included: No Gaskets Included: Yes Oil Pump Included: No Camshaft Included: No Lifters Included: No Timing Chain and Gears Included: No Plastigage Included: No Assembly Lubricant Included: No Quantity: Sold as a kit.
Speedmaster superstreet series rotating assemblies offer the perfect balance of strength, performance, reliability. They include a Speedmaster cast steel crankshaft, Speedmaster H-beam 4340 connecting rods with ARP bolts, Speedmaster hypereutectic pistons, Speedmaster rings and \'King Bearings\' Main & Connecting Rod Bearings. Speedmaster superstreet series rotating assemblies are the perfect choice for engines up to 500 hp and 1500-6500 RPM.