Icon Premium Piston Kit, IC840KTD.055

1 Set IC840.055/1 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): 8.1

Engine Displacement (cubic inches): 493

Bore Size (in): 4.32

Bore Size (mm): 109.7

Piston Head Type: Dish

Crown (cc): +23.7cc

Compression Ratio: 75-10.3, 78-10.1, 88-9.3

Top Land: 0.35

Pin Type: Press or Floating

Oversize: .055"

Oversizes: .030 .040 .055

Stroke (mm): 105.4

Grade Type: Performance

Rod (mm): 171.9072

Compression Height IN: 1.869

Lock: PRG110-3

Bore Diameter MM: 109.7

Bore Diameter IN: 4.32

Compression Height MM: 47.5

Make for Engine Family: Mopar

Stroke (in): 4.15

Pin Diameter (in): 0.99

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

Exhaust Valve Depth/Diameter: .199/1.880

Crown Type: STEP DISH 2V

Pin Configuration: Centered

Intake Valve Depth/Diameter: .215/2.300

Rod (in): 6.768

Oversized: Yes

Piston Material: Forged 2618 Alloy

Base Number: IC840

Alloy: 2618

Year Range: -

OE Deck Height: 10.725

Pin Diameter (mm): 25.1

Pin Number: .990x3.000