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KB Hyper Performance Piston Kit, KB251KTM.040
$497.99
MSRP: $552.62
You Save: $54.63 (10 %)
Ships directly from manufacturer.
Part Number: 807462
Brand: UEM Pistons
Manufacturer Part No: KB251KTM.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 KB251.040/1 Set 4342AM8.040
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
Stroke (mm): 95.3
Lock: PRF116-3
Alloy: 390
Intake Valve Depth/Diameter: .264/2.360
Year Range: -
Exhaust Valve Depth/Diameter: .264/2.360
Compression Height MM: 43.7
Pin Configuration: Centered
Bore Diameter MM: 110.3
Compression Height IN: 1.722
Bore Diameter IN: 4.342
Make for Engine Family: Mopar
Stroke (in): 3.75
Pin Number: 1.094x300K
Oversized: Yes
Grade Type: Performance
Oversize: .040"
OE Deck Height: 9.98
Crown Type: .260" STEP HEAD 2V
Pin Diameter (in): 1.094
Rod (in): 6.358
Piston Material: Cast 390 Hypereutectic Alloy
Ring Pack: 5/64, 5/64, 3/16
Pin Diameter (mm): 27.8
Base Number: KB251
Rod (mm): 161.4932
Oversizes: STD, .020, .030, .040, .060
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