Icon Premium Piston Set, IC843.055

ICON Forged Piston - Chry 520 Rod 7.100 Flat Top +30.4cc 2V

Centered pin. Diameter is.9898" (BBC). Use 4250BD8.125 ring set for the.055" oversize piston. Use 440 block.

Sold As: Piston Set

Engine Manufacturer: Chrysler

Engine Family: Mopar Big Block RB

Engine Displacement (Liters): 8.5

Engine Displacement (cubic inches): 520

Bore Size (in): 4.32

Bore Size (mm): 109.7

Piston Head Type: Dish

Crown (cc): +30.4cc

Compression Ratio: 75-10.3, 78-10.0, 88-9.3

Top Land: 0.3

Pin Type: Press or Floating

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

Crown Type: STEP DISH 2V

Stroke (mm): 111.1

Oversized: Yes

Pin Number: .990x2.750

Lock: PRG110-3

Bore Diameter MM: 109.7

Bore Diameter IN: 4.32

Compression Height IN: 1.423

Compression Height MM: 36.1

Base Number: IC843

OE Deck Height: 10.725

Oversizes: .030 .040 .055

Pin Diameter (in): 0.99

Exhaust Valve Depth/Diameter: .200/1.880

Pin Diameter (mm): 25.1

Year Range: -

Alloy: 2618

Make for Engine Family: Mopar

Oversize: .055"

Rod (mm): 180.34

Pin Configuration: Centered

Stroke (in): 4.375

Rod (in): 7.1

Intake Valve Depth/Diameter: .215/2.300

Piston Material: Forged 2618 Alloy