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KB Hyper Performance Piston Set, KB304.040
$409.99
MSRP: $455.04
You Save: $45.05 (10 %)
Ships directly from manufacturer.
Piston rings not included
Part Number: 807675
Brand: UEM Pistons
Manufacturer Part No: KB304.040
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 - Pont 428 Rod 6.630 Flat Top +6cc 2V
Centered pin. Designed for use with 14 degree heads. 1967 and later. Piston is.025 below factory deck. Check small end of rod to piston before assembly /.045" clearance per side minimum.
Sold As: Piston Set
Engine Manufacturer: Pontiac
Engine Family: Pontiac V8
Engine Displacement (Liters): 7
Engine Displacement (cubic inches): 428
Bore Size (in): 4.12
Bore Size (mm): 104.6
Piston Head Type: Flat
Crown (cc): +6cc
Compression Ratio: 71-11.3, 87-9.7, 96-9.0, 111-8.0
Top Land: 0.275
Pin Type: Press or Floating
Lock: PRH107-3
Crown Type: FLAT TOP 2V
Rod (mm): 168.402
Rod (in): 6.63
Oversized: Yes
Year From: 1966
Year To: 1969
Bore Diameter MM: 104.6
Bore Diameter IN: 4.12
Compression Height IN: 1.585
Compression Height MM: 40.3
Year Range: 1966-1969
Oversizes: .030, .040, .060
Pin Diameter (in): 0.98
Stroke (in): 4
Intake Valve Depth/Diameter: .250/2.210
Exhaust Valve Depth/Diameter: .250/2.210
Stroke (mm): 101.6
Alloy: 390
Ring Pack: 5/64, 5/64, 3/16
Pin Number: 0980x300K
Base Number: KB304
Pin Configuration: Centered
Pin Diameter (mm): 24.9
OE Deck Height: 10.25
Oversize: .040"
Make for Engine Family: General Motors
Piston Material: Cast 390 Hypereutectic Alloy
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