Icon Premium Piston, IC786.030

ICON Forged-427 Rod 6.385 cc Sld Dom -12cc 1V;489 Rod 6.135 cc Sld Dom -12cc 1V,ICON Forged-427 Rod 6.385 cc Sld Dome-12cc 1V;489 Rod 6.135 cc Sld Dome-12cc 1V

Closed chamber design. Centered pin. Edelbrock and OE heads. Does not fit Mark 6 heads.

Sold As: Piston Set

Engine Manufacturer: Chevrolet

Engine Family: Chevrolet BB V8 Mark IV

Engine Displacement (Liters): 7

Engine Displacement (cubic inches): 427

Bore Size (in): 4.25

Bore Size (mm): 108

Piston Head Type: Dome

Crown (cc): -12cc

Compression Ratio: 96.5-11.9, 108-9.4, 119-8.6

Top Land: 0.35

Pin Type: Press or Floating

Intake Valve Depth/Diameter: .285/2.300

Bore Diameter MM: 108

Oversizes: STD, .030, .040, .060, .070, .100

Year To: 2015

Compression Height MM: 38.6

Rod (mm): 162.179

Make for Engine Family: General Motors

Bore Diameter IN: 4.25

Compression Height IN: 1.52

Year Range: 1963-2015

Cylinder Bore Diameter IN: 4.25

Cylinder Bore Diameter MM: 108

Rod (in): 6.385

Piston Material: Forged 2618 Alloy

Oversized: Yes

Stroke (in): 4.25

Pin Diameter (in): 0.99

Pin Diameter (mm): 25.1

Pin Number: .990x2.750

Base Number: IC786

Crown Type: .130" SOLID DOME 1V

Ring Pack: 1/16, 1/16, 3/16

Oversize: .030"

OE Deck Height: 9.8

Lock: PRG110-3

Stroke (mm): 108

Grade Type: Performance

Alloy: 2618

Pin Configuration: Centered

Year From: 1963