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KB Hyper Performance Piston Kit, KB172KTM.030
$451.99
MSRP: $501.63
You Save: $49.64 (10 %)
Ships directly from manufacturer.
Part Number: 806889
Brand: UEM Pistons
Manufacturer Part No: KB172KTM.030
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 KB172.030/1 Set 4125AM8.030
Centered pin. Made with Chevy 400 block and 350 crank.
Sold As: Kit with Rings
Engine Manufacturer: Chevrolet
Engine Family: Chevrolet SB V8 Gen I
Engine Displacement (Liters): 6.2
Engine Displacement (cubic inches): 377
Bore Size (in): 4.125
Bore Size (mm): 104.8
Crown (cc): +7cc
Compression Ratio: 58-11.5, 62-10.9, 64-10.7, 76-9.4
Top Land: 0.275
Pin Type: Press or Floating
OE Deck Height: 9.025
Pin Number: 0927x300K
Year Range: 1973-2018
Pin Diameter (mm): 23.5
Ring Pack: 5/64, 5/64, 3/16
Alloy: 390
Base Number: KB172
Grade Type: Performance
Crown Type: FLAT TOP 2V
Bore Diameter IN: 4.125
Bore Diameter MM: 104.8
Compression Height IN: 1.561
Compression Height MM: 39.6
Stroke (mm): 88.4
Rod (mm): 144.78
Pin Diameter (in): 0.927
Year To: 2018
Intake Valve Depth/Diameter: .280/2.168
Year From: 1973
Pin Configuration: Centered
Exhaust Valve Depth/Diameter: .280/2.168
Make for Engine Family: General Motors
Rod (in): 5.7
Oversized: Yes
Oversizes: STD, .020, .030, .040, .060
Piston Material: Cast 390 Hypereutectic Alloy
Oversize: .030"
Lock: PRJ100-3
Stroke (in): 3.48
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