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: Ford BB V8 (520/545)
Piston Style: Flat Top w/ 2 Valve Relief
Cylinder Bore: 4.390"
Compression Distance: 1.350"
Deck Height: 10.320"
Dome Volume: 3.4cc
Ford 520
Crankshaft Stroke/Rod Length: 4.300" with 6.800" Connecting Rod (521ci)
Compression Ratio: 4.300" Stroke w/72cc Heads: 13.5
Compression Ratio: 4.300" Stroke w/75cc Heads: 13.1
Compression Ratio: 4.300" Stroke w/88cc Heads: 11.5
Ford 545
Crankshaft Stroke/Rod Length: 4.500" with 6.700" Connecting Rod (545ci)
Compression Ratio: 4.500" Stroke w/72cc Heads: 14.1
Compression Ratio: 4.500" Stroke w/75cc Heads: 13.6
Compression Ratio: 4.500" Stroke w/88cc Heads: 12.0
Piston Material: Forged 2618 Alloy
Intake Valve Relief Depth: .245"
Intake Valve Relief Diameter: 2.450"
Exhaust Valve Relief Depth: .078"
Exhaust Valve Relief Diameter: 1.940"
Accumulator Groves: Yes
Forced Pin Oilers: Yes
Gas Ports: No
Skirt Coating: Diamond Finished Skirts
Lock Removal Indents: No
Average Piston Weight: 565
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: IC859.030
Weight: 15.0 lbs.
Warranty: Sold without warranty or guarantee of any kind
Quantity: Sold as Sets of 8
Note: Centered pin. Use 460 Block. For use with Ford/Edelbrock type heads. Connecting rod small end width – 1.250” max. Uses (BBC) .9898” Diameter Wrist Pin. Ring set for the .140” oversize is (4466BD8.034). |