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KB Hyper Performance Piston Set, KB139.STD
$396.99
MSRP: $440.40
You Save: $43.41 (10 %)
Ships directly from manufacturer.
Piston rings not included
Part Number: 806570
Brand: UEM Pistons
Manufacturer Part No: KB139.STD
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
KB Hyper Piston - Chevy 400, Rod 5.700, Flat Top +7cc 2V
Centered pin.
Sold As: Piston Set
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
Piston Head Type: Flat
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
Stroke (in): 3.75
Pin Configuration: Centered
Oversize: STD
Make for Engine Family: General Motors
Base Number: KB139
Pin Diameter (mm): 23.5
Rod (mm): 144.78
Oversizes: STD, .020, .030, .040, .060
Compression Height MM: 36.4
Compression Height IN: 1.433
Bore Diameter IN: 4.125
Bore Diameter MM: 104.8
Lock: PRJ100-3
Year From: 1970
Oversized: No
Ring Pack: 1/16, 1/16, 3/16
Year To: 2018
Year Range: 1970-2018
OE Deck Height: 9.025
Rod (in): 5.7
Stroke (mm): 95.3
Crown Type: FLAT TOP 2V
Intake Valve Depth/Diameter: .280/2.168
Exhaust Valve Depth/Diameter: .280/2.168
Pin Number: 0927x300K
Piston Material: Cast 390 Hypereutectic Alloy
Pin Diameter (in): 0.927
Alloy: 390
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