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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 SB Gen I V8
Piston Style: Inverted Dome Top w/ 2 Valve Relief
Cylinder Bore: 4.185"
Compression Distance: 1.125"
Crankshaft Stroke/Rod Length: 3.750" with 6.000" Connecting Rod (413ci)
Deck Height: 9.025"
Dome Volume: 26.6cc
Compression Ratio: 3.750" Stroke w/58cc Heads: 9.9
Compression Ratio: 3.750" Stroke w/64cc Heads: 9.4
Compression Ratio: 3.750" Stroke w/76cc Heads: 8.5
Piston Material: Forged 2618 Alloy
Intake Valve Relief Depth: .289"
Intake Valve Relief Diameter: 2.200"
Exhaust Valve Relief Depth: .289"
Exhaust Valve Relief Diameter: 1.880"
Accumulator Groves: Yes
Forced Pin Oilers: Yes
Gas Ports: No
Skirt Coating: Diamond Finished Skirts
Lock Removal Indents: No
Average Piston Weight: 463
Wrist Pin Style: Press-Fit or Floating
Wrist Pins Included: Yes
Wrist Pin Size: .927" x 2.750"
Average Wrist Pin Weight: 132
Pin Lock Included: TruLock (PRJ100-3)
Ring Grove Sizes: 1/16”, 1/16”, 3/16”
Piston Rings Included: No
Manufacturer: United Engine & Machine Company
Manufacturer's Part Number: IC757.060
Weight: 12.0 lbs.
Warranty: Sold without warranty or guarantee of any kind
Quantity: Sold as Sets of 8
Note: Centered pin.
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