United Engine and Machine Speed of Air Hyperformance Piston and Ring Kits XA529-.070K2

Name: United Engine and Machine Speed of Air Hyperformance Piston and Ring Kits
Brand: Speed of Air
SKU: UEM-XA528-065K2
Price: 2702.66 USD
Availability: OutOfStock
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Part Number: UEM-XA528-065K2

$2,702.66

United Engine and Machine Speed of Air Hyperformance Piston and Ring Kits

Pistons, Speed of Air, Dimpled, 2618 Forged, 4.065 in. Bore, 3.622 in. Stroke, 6.125 in. Rod, +4.00cc Flat Top, Piston Rings, Chevy, 6.0L, 6.2L Kit
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United Engine and Machine Speed of Air Hyperformance Piston and Ring Kits XA529-.070K2

UEM-XA528-065K2

Not Yet Reviewed

Part Number: UEM-XA528-065K2

Estimated Ship Date: May 1, 2026

$2,702.66

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Overview

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Q&A

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Estimated Ship Date: May 1, 2026 Would you rather pick it up?

Overview

Brand:

Speed of Air

Manufacturer's Part Number:

XA529-.070K2

Part Type:

Pistons

Product Line:

United Engine and Machine Speed of Air Hyperformance Piston and Ring Kits

Summit Racing Part Number:

UEM-XA528-065K2

UPC:

800745302199

Piston Rings Included:

Yes

Bore (in.):

4.065 in.

Bore (mm):

103.251mm

Stroke:

3.622 in.

Engine Stroke Type:

Stock

Actual Engine Displacement:

6.6L/403

Rod Length:

6.125 in.

Piston Style:

Flat top, with two valve reliefs

Piston Material:

Forged aluminum

Compression Height (in.):

1.304 in.

Piston Head Volume (cc):

+4.00cc

Wrist Pin Style:

Press-fit or floating

Wrist Pin Retainers Included:

Yes

Wrist Pin Included:

Yes

Pin Diameter (in.):

0.927 in.

Piston Ring Thickness:

1.20mm x 1.20mm x 3.00mm

File Fit:

Yes

Gapless:

Top Ring Thickness:

1.2mm

Top Ring Material:

Stainless steel

Top Ring Facing Material:

Chromium nitride

Second Ring Thickness:

1.2mm

Second Ring Material:

Ductile iron

Second Ring Facing Material:

Phosphate coated

Oil Ring Thickness:

3.0mm

Oil Ring Material:

Stainless steel

Oil Ring Facing Material:

Chrome

Oil Ring Tension:

Standard

Remanufactured:

Quantity:

Sold as a kit.

United Engine and Machine Speed of Air Hyperformance Piston and Ring Kits

United Engine and Machine Speed of Air Hyperformance piston and ring kits are offered for a wide range of Chevrolet, GMC, and Ford vehicles. Speed of Air's peerless engine technology enables internal combustion engines to operate with better fuel efficiency, better performance, and with substantially decreased emissions output. These kits are available in a variety of bore, stroke, rod, dish options and include dark bronze/gold Cerakote coating. Increase your ride's available power and torque with a set of Hyperformance pistons and rings.

Applications