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KB Hyper Performance Piston Kit, KB139KTD.020
$489.99
MSRP: $543.54
You Save: $53.55 (10 %)
Ships directly from manufacturer.
Part Number: 806576
Brand: UEM Pistons
Manufacturer Part No: KB139KTD.020
Superior Quality Parts: Heavy Duty Pros parts meet and exceed the OEM quality specifications.
Fast Shipping: We ship from warehouses across the US to ensure the quickest delivery.
Expert Technical Advice: Industry repair technicians are standing by to provide expert advice for your repair.
Huge Savings: We offer competitive online pricing for significant savings.
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Product Details & Specifications
1 Set KB139.020/1 Set 4125BD8.025
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
Base Number: KB139
Year Range: 1970-2018
Stroke (mm): 95.3
Rod (mm): 144.78
Stroke (in): 3.75
Exhaust Valve Depth/Diameter: .280/2.168
Oversized: Yes
Alloy: 390
Year To: 2018
Pin Number: 0927x300K
Bore Diameter MM: 104.8
Bore Diameter IN: 4.125
Compression Height MM: 36.4
Compression Height IN: 1.433
Crown Type: FLAT TOP 2V
Ring Pack: 1/16, 1/16, 3/16
Year From: 1970
Intake Valve Depth/Diameter: .280/2.168
Oversize: .020"
Pin Diameter (mm): 23.5
OE Deck Height: 9.025
Rod (in): 5.7
Pin Diameter (in): 0.927
Lock: PRJ100-3
Piston Material: Cast 390 Hypereutectic Alloy
Oversizes: STD, .020, .030, .040, .060
Pin Configuration: Centered
Make for Engine Family: General Motors
Grade Type: Performance
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