Manley BMW N55/S55 37cc Platinum Series Dish Piston Set

647000C-6

Manley pistons are machined of high strength 2618 material. Each design is lightweight yet robust enough to deliver long service life. Offset wrist pin design is utilized for quiet start-ups. Perfect ring groove to skirt squareness is achieved through our unique "one fixturing" manufacturing method that assures maximum horsepower. All pistons come with moly coated skirts. Round wire locks, premium chrome moly wrist pins, and premium steel top ring sets from Total Seal are included with every kit at no additional charge. Recommended clearance: .0035" measured .850" from the bottom of the oil ring groove.

Specifications:

• Bore Size (mm): 84
• Over Size: STD
• Rod Length: 5.683"
• Stroke: 89.6
• Comp. Distance: 1.276"
• Dome Volume (cc): -10.5
• Cylinder Head (cc): 37
• Comp. Ratio: 10.2
• Piston Type: Dish
• Piston Wt / Gms:
• Included Ring Set: 46840-6

Fitments:

• BMW N55/S55