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KB Hyper Performance Piston Kit, KB398KTD.040
$523.99
MSRP: $581.57
You Save: $57.58 (10 %)
Ships directly from manufacturer.
Part Number: 808087
Brand: UEM Pistons
Manufacturer Part No: KB398KTD.040
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 KB398.040/1 Set 4250BD8.040
Centered pin. Spacer ring included. Made from Chevy 454 BB. CC=closed chamber head.
Sold As: Kit with Rings
Engine Manufacturer: Chevrolet
Engine Family: Chevrolet BB V8 Mark IV
Engine Displacement (Liters): 8
Engine Displacement (cubic inches): 489
Bore Size (in): 4.25
Bore Size (mm): 108
Piston Head Type: Dome
Crown (cc): -17cc
Compression Ratio: 96.5-12.3, 105-11.3, 108-11.0, 119-10.0
Top Land: 0.312
Pin Type: Press or Floating
Alloy: 390
Pin Configuration: Centered
Intake Valve Depth/Diameter: .266/2.310
Compression Height IN: 1.27
Year Range: -
Crown Type: .180" CC SOLID DOME 1V
Bore Diameter IN: 4.25
Bore Diameter MM: 108
Oversized: Yes
Ring Pack: 1/16, 1/16, 3/16
Compression Height MM: 32.3
Rod (in): 6.385
Stroke (mm): 108
Pin Diameter (mm): 25.1
OE Deck Height: 9.8
Grade Type: Performance
Rod (mm): 162.179
Pin Diameter (in): 0.99
Oversizes: STD, .030, .040, .060, .070, .100
Piston Material: Cast 390 Hypereutectic Alloy
Pin Number: 0990x300K
Base Number: KB398
Lock: PRG110-3
Make for Engine Family: General Motors
Oversize: .040"
Stroke (in): 4.25
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