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KB Hyper Performance Piston Kit, KB251KTM.020
$497.99
MSRP: $552.62
You Save: $54.63 (10 %)
Ships directly from manufacturer.
Part Number: 807460
Brand: UEM Pistons
Manufacturer Part No: KB251KTM.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 KB251.020/1 Set 4342AM8.020
Centered pin. Suggest checking quench dome with clay for clearance. Closed chamber heads require the quench dome to be machined down. Made from Chrysler 400 block. Use only stock rods. Comp. ratio will change with quench dome machining.
Sold As: Kit with Rings
Engine Manufacturer: Chrysler
Engine Family: Mopar Big Block B
Engine Displacement (Liters): 7.4
Engine Displacement (cubic inches): 450
Bore Size (in): 4.342
Bore Size (mm): 110.3
Piston Head Type: Dome
Crown (cc): -4.4cc
Compression Ratio: 72-12.9, 80-11.8, 84-11.3, 88-10.9
Top Land: 0.221
Pin Type: Press or Floating
Pin Diameter (mm): 27.8
Bore Diameter IN: 4.342
Compression Height IN: 1.722
Bore Diameter MM: 110.3
Compression Height MM: 43.7
Ring Pack: 5/64, 5/64, 3/16
Oversizes: STD, .020, .030, .040, .060
Stroke (mm): 95.3
Pin Configuration: Centered
Year Range: -
Stroke (in): 3.75
Exhaust Valve Depth/Diameter: .264/2.360
Rod (in): 6.358
Base Number: KB251
Pin Diameter (in): 1.094
Intake Valve Depth/Diameter: .264/2.360
Oversized: Yes
Rod (mm): 161.4932
Pin Number: 1.094x300K
Grade Type: Performance
Piston Material: Cast 390 Hypereutectic Alloy
Alloy: 390
Crown Type: .260" STEP HEAD 2V
Lock: PRF116-3
Oversize: .020"
OE Deck Height: 9.98
Make for Engine Family: Mopar
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