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KB Hyper Performance Piston Kit, KB251KTM.STD
$497.99
MSRP: $552.62
You Save: $54.63 (10 %)
Ships directly from manufacturer.
Part Number: 807459
Brand: UEM Pistons
Manufacturer Part No: KB251KTM.STD
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.STD/1 Set 4342AM8.STD
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
Oversized: No
Compression Height MM: 43.7
Stroke (in): 3.75
Alloy: 390
Pin Configuration: Centered
Stroke (mm): 95.3
Exhaust Valve Depth/Diameter: .264/2.360
Bore Diameter MM: 110.3
Bore Diameter IN: 4.342
Compression Height IN: 1.722
Oversizes: STD, .020, .030, .040, .060
Lock: PRF116-3
Pin Number: 1.094x300K
Ring Pack: 5/64, 5/64, 3/16
Pin Diameter (mm): 27.8
Crown Type: .260" STEP HEAD 2V
Year Range: -
Oversize: STD
Rod (in): 6.358
Grade Type: Performance
Base Number: KB251
Rod (mm): 161.4932
Pin Diameter (in): 1.094
Intake Valve Depth/Diameter: .264/2.360
OE Deck Height: 9.98
Make for Engine Family: Mopar
Piston Material: Cast 390 Hypereutectic Alloy
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