• Drag part number: 0903-1293
• Manufacturer Number: 900-0354
• Increased fin area for better heat dissipation
• Increase bore size from 3.750" to 3.927"
• 4 3/8" stroke, 10:1 comp. w/ stock heads
• Easy installation; no machining or rebalancing required
• Forged coated pistons are compatible with stock or S&S Super Stock 79cc and 89cc heads
• Valve pocket recessed in S&S pistons are enlarged for oversize valves and higher lift cams
• Maintains stock engine height and stock piston weight
• 11 fins and full fin pattern on cam side of cylinders closely resembles OEM shape
• Kit includes; S&S cylinders with gaskets, piston set with rings, top end gasket kit, pushrods, tappets, 585CE chain-drive easy start cams and instructions
• A fuel system is not included

• Product Name: Performance Kit
• Type: Engine
• Style: Big Bore
• Model: Hot Setup
• Base Color: Black
• Color/Finish: Black
• Stroke Length: 4-3/8"
• Displacement: 106"
• Bore Size: 3.927"
• Compression Ratio: 10.0:1
• Units: Kit
• Riding Style: Street

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