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KB Hyper Performance Piston Set, KB398.040
$438.99
MSRP: $486.72
You Save: $47.73 (10 %)
Ships directly from manufacturer.
Piston rings not included
Part Number: 808081
Brand: UEM Pistons
Manufacturer Part No: KB398.040
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
KB Hyper Piston - Chevy 489 Rod 6.385 cc Solid Dome -17cc 1V
Centered pin. Spacer ring included. Made from Chevy 454 BB. CC=closed chamber head.
Sold As: Piston Set
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
Stroke (in): 4.25
Piston Material: Cast 390 Hypereutectic Alloy
Pin Diameter (in): 0.99
Rod (in): 6.385
Oversizes: STD, .030, .040, .060, .070, .100
Rod (mm): 162.179
Oversize: .040"
Bore Diameter IN: 4.25
Compression Height IN: 1.27
Bore Diameter MM: 108
Compression Height MM: 32.3
Pin Diameter (mm): 25.1
Pin Configuration: Centered
Alloy: 390
Oversized: Yes
Crown Type: .180" CC SOLID DOME 1V
Ring Pack: 1/16, 1/16, 3/16
OE Deck Height: 9.8
Lock: PRG110-3
Pin Number: 0990x300K
Make for Engine Family: General Motors
Intake Valve Depth/Diameter: .266/2.310
Year Range: -
Stroke (mm): 108
Base Number: KB398
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