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Icon 2618 Forged Pistons Series
Machined and crafted featuring a variety of superior design elements, technical engineering differences, and specialty manufacturing processes. Piston crowns are polished and the quench area maintained to maximize combustion efficiency for more complete and cleaner burn. Valve-to-piston clearances developed in concert with major engine builders for maximum compression and performance. Pin fitted from the factory featuring precision pinhole diameter and finish for maximum pin oiling at higher rpms. Sets of 8.
• High ductility 2618 alloy
• Diamond finished skirts
• Dual forced pin oiling on most applications
• Fully machined with deep valve pockets
• Second land accumulator grooves
• Top land mini groove technology
• Lateral gas porting on higher compression ratios
Part Type: Pistons
Model: Icon 2618 Forged Pistons
Application: Chevrolet BB V8 Gen V
Piston Style: Flat Top w/ 1 Valve Relief
Cylinder Bore: 4.530"
Compression Distance: 1.270"
Crankshaft Stroke/Rod Length: 4.250" with 6.385" Connecting Rod (548ci)
Deck Height: 9.800"
Dome Volume: +3cc
Compression Ratio: 4.250" Stroke w/96.5cc Heads: 11.1
Compression Ratio: 4.250" Stroke w/108cc Heads: 9.6
Compression Ratio: 4.250" Stroke w/119cc Heads: 9.4
Piston Material: Forged 2618 Alloy
Intake Valve Relief Depth: .303"
Intake Valve Relief Diameter: 2.374"
Exhaust Valve Relief Depth: .000"
Exhaust Valve Relief Diameter: 0.000"
Accumulator Groves: Yes
Forced Pin Oilers: Yes
Gas Ports: No
Skirt Coating: Diamond Finished Skirts
Lock Removal Indents: No
Average Piston Weight: 570
Wrist Pin Style: Press-Fit or Floating
Wrist Pins Included: Yes
Wrist Pin Size: .990" x 2.750"
Average Wrist Pin Weight: 141
Pin Lock Included: TruLock (PRG110-3)
Ring Grove Sizes: 1/16”, 1/16”, 3/16”
Piston Rings Included: No
Manufacturer: United Engine & Machine Company
Manufacturer's Part Number: IC812.064
Weight: 13.0 lbs.
Warranty: Sold without warranty or guarantee of any kind
Quantity: Sold as Sets of 8
Note: Centered pin.
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