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KB Hyper Performance Piston Kit, KB251KTM.030
$497.99
MSRP: $552.62
You Save: $54.63 (10 %)
Ships directly from manufacturer.
Part Number: 807461
Brand: UEM Pistons
Manufacturer Part No: KB251KTM.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 KB251.030/1 Set 4342AM8.030
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
Rod (mm): 161.4932
Piston Material: Cast 390 Hypereutectic Alloy
Oversizes: STD, .020, .030, .040, .060
Lock: PRF116-3
Pin Diameter (in): 1.094
Compression Height IN: 1.722
Stroke (mm): 95.3
Bore Diameter IN: 4.342
Bore Diameter MM: 110.3
Compression Height MM: 43.7
Pin Diameter (mm): 27.8
Stroke (in): 3.75
Year Range: -
Pin Configuration: Centered
Crown Type: .260" STEP HEAD 2V
Make for Engine Family: Mopar
Oversize: .030"
Pin Number: 1.094x300K
Intake Valve Depth/Diameter: .264/2.360
Grade Type: Performance
Alloy: 390
Base Number: KB251
Ring Pack: 5/64, 5/64, 3/16
Exhaust Valve Depth/Diameter: .264/2.360
Rod (in): 6.358
OE Deck Height: 9.98
Oversized: Yes
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