These Dart Block and Forged Rotating Assemblies offer race proven quality components at a greatly reduced package price. Dart Big M sportsman blocks, forged 4340 crankshafts, H-beam rods, forged pistons and file fit rings are standard in these popular combinations. Blocks are clearanced for 4.500 stroke.

Big M Sportsman Blocks have ductile iron 4 bolt caps on all 5 mains. Mains, cam and lifter bores are honed. Integral inner head stud bosses for high compression , nitrous or blowers.

• 598 cid – 4.600 bore x 4.500 stroke, 10.200 deck
• 565 cid – 4.600 bore x 4.250 stroke, 9.800 deck
• 540 cid – 4.500 bore x 4.250 stroke, 9.800 deck
• Dart Big M Sportsman Block – 9.800 or 10.200 deck
• 4340 Forged Crankshaft
• 6.385 in. or 6.535 in. 4340 forged H-beam rods
• Forged Pistons - Dome or Flat Top
• Most compression ratios available
• File Fit plasma moly rings
• Clevite H-series rod & main bearings
• Cam bearings & Freeze plugs

OPTIONS
ARP2000 rod bolts - ADD $69.00
Big M Steel Main Cap block - ADD $300.00
Blower, Turbo, Nitrous, Optional pistons
Optional piston prices will vary

* Other Combinations Available - Custom Assemblies our Specialty *

Hundreds of stroke & bore combinations available

Business Phone Number: 704-397-7979
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Item Location: MOORESVILLE, NC Get Directions To This City

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