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JE Pistons Sport Compact Pistons 284781-4

JE Pistons 284781-4 - JE Pistons Sport Compact Pistons

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Pistons and Rings, Forged, Dish, 83.50mm Bore, Audi, Volkswagen, Kit

Estimated Ship Date: 3/17/2015 (if ordered today) Would you rather pick it up? Select Location

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JE Pistons 284781-1 - JE Pistons Piston and Ring Kits


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Brand: JE Pistons

Manufacturer's Part Number: 284781-4

Part Type: Piston and Ring Kits

Product Line: JE Pistons Sport Compact Pistons

Summit Racing Part Number: JEP-284781-4

Bore (in): 3.287 in.

Bore (mm): 83.500mm

Piston Style: Dish, with four valve reliefs

Piston Material: Forged aluminum

Compression Distance (in): 1.170 in.

Piston Head Volume (cc): +4.90cc

Wrist Pin Style: Floating

Pin Diameter (in): 0.787 in.

Gapless: No

File Fit: No

Top Ring Thickness: 1.0mm

Top Ring Material: Steel

Top Ring Facing Material: Gas nitrided

Second Ring Thickness: 1.2mm

Second Ring Material: Ductile iron

Second Ring Facing Material: Phosphate coated

Oil Ring Thickness: 2.8mm

Oil Ring Material: Nitride coated carbon steel

Oil Ring Tension: Low

Quantity: Sold as a kit.

In-Store Pickup: Choose In-store pick-up (OH, GA, NV) on our web site.

JE Pistons sport compact pistons are specifically engineered for extreme applications, up to and including professional competition. In this environment, the higher compression ratios, highest boost, or heavy nitrous usage necessitate the higher tensile strength 2618 aluminum alloy. Their dome/dish requires no deburring or preparation and features smooth-flowing radii for excellent flame travel. A pin fitting, wire locks, and rings are included.


Some parts are not legal for sale or use in California on any pollution-controlled motor vehicles

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