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KB Hyper Performance Piston Set, KB420.040
$388.99
MSRP: $431.64
You Save: $42.65 (10 %)
Ships directly from manufacturer.
Piston rings not included
Part Number: 808193
Brand: UEM Pistons
Manufacturer Part No: KB420.040
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 - AMC 401 Rod 5.858 Step Head +17.3cc 2V
Centered pin.
Sold As: Piston Set
Engine Manufacturer: AMC/Jeep
Engine Family: AMC V8
Engine Displacement (Liters): 6.6
Engine Displacement (cubic inches): 401
Bore Size (in): 4.165
Bore Size (mm): 105.8
Piston Head Type: Dish
Crown (cc): +17.3cc
Compression Ratio: 51-11.8, 58-10.9
Top Land: 0.3
Pin Type: Press or Floating
Make for Engine Family: AMC
Bore Diameter MM: 105.8
Stroke (mm): 93.5
Compression Height MM: 38.3
Rod (in): 5.858
Stroke (in): 3.68
Pin Configuration: Centered
Oversizes: STD, .030, .040, .060
Pin Number: 1000x300K
Rod (mm): 148.7932
Year To: 1978
Bore Diameter IN: 4.165
Compression Height IN: 1.51
Pin Diameter (mm): 25.4
Ring Pack: 5/64, 5/64, 3/16
Exhaust Valve Depth/Diameter: .273/2.120
Lock: PRJ100-3
Pin Diameter (in): 1
Piston Material: Cast 390 Hypereutectic Alloy
Crown Type: STEP DISH 2V
OE Deck Height: 9.175, 9.208
Alloy: 390
Oversized: Yes
Base Number: KB420
Year Range: 1971-1978
Intake Valve Depth/Diameter: .273/2.120
Oversize: .040"
Year From: 1971
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