Icon Premium Piston Kit, IC843KTD.055

1 Set IC843.055/1 Set 4250BD8.125

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

Sold As: Kit with Rings

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

Rod (in): 7.1

Stroke (mm): 111.1

Exhaust Valve Depth/Diameter: .200/1.880

Pin Number: .990x2.750

Oversized: Yes

Pin Configuration: Centered

Year Range: -

Compression Height IN: 1.423

Bore Diameter MM: 109.7

Compression Height MM: 36.1

Bore Diameter IN: 4.32

Base Number: IC843

Crown Type: STEP DISH 2V

Pin Diameter (in): 0.99

Lock: PRG110-3

Piston Material: Forged 2618 Alloy

Alloy: 2618

Oversizes: .030 .040 .055

OE Deck Height: 10.725

Stroke (in): 4.375

Grade Type: Performance

Rod (mm): 180.34

Oversize: .055"

Make for Engine Family: Mopar

Intake Valve Depth/Diameter: .215/2.300

Pin Diameter (mm): 25.1