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KB Hyper Performance Piston Kit, KB121KTM.030
$435.99
MSRP: $483.35
You Save: $47.36 (10 %)
Ships directly from manufacturer.
Part Number: 806376
Brand: UEM Pistons
Manufacturer Part No: KB121KTM.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 KB121.030/1 Set 4000BM8.030
Centered pin. Made with Chevy 350 SB.
Sold As: Kit with Rings
Engine Manufacturer: Chevrolet
Engine Family: Chevrolet SB V8 Gen I
Engine Displacement (Liters): 6.3
Engine Displacement (cubic inches): 383
Bore Size (in): 4
Bore Size (mm): 101.6
Piston Head Type: Dish
Crown (cc): +28cc
Compression Ratio: 58-9.3, 62-9.0, 64-8.8, 76-8.0
Top Land: 0.275
Pin Type: Press or Floating
OE Deck Height: 9.025
Oversizes: STD, .020, .030, .040, .060
Stroke (in): 3.75
Intake Valve Depth/Diameter: .280/2.168
Bore Diameter IN: 4
Lock: PRJ100-3
Oversize: .030"
Stroke (mm): 95.3
Crown Type: D-CUP 2V
Compression Height MM: 36.4
Compression Height IN: 1.433
Base Number: KB121
Year Range: -
Pin Diameter (mm): 23.5
Alloy: 390
Exhaust Valve Depth/Diameter: .280/2.168
Pin Configuration: Centered
Rod (in): 5.7
Grade Type: Performance
Rod (mm): 144.78
Make for Engine Family: General Motors
Pin Diameter (in): 0.927
Pin Number: 0927x300K
Oversized: Yes
Ring Pack: 1/16, 1/16, 3/16
Piston Material: Cast 390 Hypereutectic Alloy
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