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KB Hyper Performance Piston Set, KB243.040
$380.99
MSRP: $422.64
You Save: $41.65 (10 %)
Ships directly from manufacturer.
Piston rings not included
Part Number: 807420
Brand: UEM Pistons
Manufacturer Part No: KB243.040
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- Chry 340 Rod 6.123 Flat Top +6cc 2V
Centered pin. Piston above deck.018.
Sold As: Piston Set
Engine Manufacturer: Chrysler
Engine Family: Mopar Small Block LA
Engine Displacement (Liters): 5.6
Engine Displacement (cubic inches): 340
Bore Size (in): 4.04
Bore Size (mm): 102.6
Piston Head Type: Flat
Crown (cc): +6cc
Compression Ratio: 57-10.9, 60-10.5, 64-10.0, 68-9.6
Top Land: 0.305
Pin Type: Press or Floating
Stroke (mm): 84.1
Oversizes: STD, .020, .030, .040, .060
Make for Engine Family: Mopar
Rod (mm): 155.5242
Lock: PRH107-3
OE Deck Height: 9.599
Rod (in): 6.123
Pin Diameter (in): 0.984
Pin Number: 0984x300K
Piston Material: Cast 390 Hypereutectic Alloy
Bore Diameter MM: 102.6
Compression Height MM: 46.7
Compression Height IN: 1.84
Bore Diameter IN: 4.04
Year To: 1973
Intake Valve Depth/Diameter: .286/2.200
Base Number: KB243
Oversized: Yes
Year Range: 1956-1973
Pin Diameter (mm): 25
Ring Pack: 5/64, 5/64, 3/16
Oversize: .040"
Pin Configuration: Centered
Year From: 1956
Crown Type: FLAT TOP 2V
Exhaust Valve Depth/Diameter: .286/2.200
Stroke (in): 3.31
Alloy: 390
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