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KB Hyper Performance Piston Kit, KB139KTM.040

KB Hyper Performance Piston Kit, KB139KTM.0400

KB Hyper Performance Piston Kit, KB139KTM.040

$485.99
MSRP: $539.42
You Save: $53.43 (10 %)
 Ships directly from manufacturer.
Part Number: 806583
Brand: UEM Pistons
Manufacturer Part No: KB139KTM.040
UPC: 800745161574
Mfg Warranty:  
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Product Details & Specifications
1 Set KB139.040/1 Set 4125BM8.040

Centered pin.

Sold As: Kit with Rings

Engine Manufacturer: Chevrolet

Engine Family: Chevrolet SB V8 Gen I

Engine Displacement (Liters): 6.6

Engine Displacement (cubic inches): 400

Bore Size (in): 4.125

Bore Size (mm): 104.8

Crown (cc): +7cc

Compression Ratio: 58-12.3, 62-11.7, 64-11.4, 76-10.0

Top Land: 0.275

Pin Type: Press or Floating

Pin Configuration: Centered

Pin Diameter (in): 0.927

Alloy: 390

Compression Height IN: 1.433

Bore Diameter MM: 104.8

Stroke (mm): 95.3

Compression Height MM: 36.4

Oversize: .040"

Bore Diameter IN: 4.125

Crown Type: FLAT TOP 2V

Stroke (in): 3.75

Make for Engine Family: General Motors

Base Number: KB139

Pin Number: 0927x300K

Rod (in): 5.7

Grade Type: Performance

Lock: PRJ100-3

Year From: 1970

Rod (mm): 144.78

OE Deck Height: 9.025

Pin Diameter (mm): 23.5

Exhaust Valve Depth/Diameter: .280/2.168

Piston Material: Cast 390 Hypereutectic Alloy

Ring Pack: 1/16, 1/16, 3/16

Oversizes: STD, .020, .030, .040, .060

Oversized: Yes

Intake Valve Depth/Diameter: .280/2.168

Year To: 2018

Year Range: 1970-2018