Icon Premium Piston Kit, IC690KTD.040

1 Set IC690.040/1 Set 4250BD8.040

Centered pin. .990" pin for aftermarket rods. Use 383 block.

Sold As: Kit with Rings

Engine Manufacturer: Chrysler

Engine Family: Mopar Big Block B

Engine Displacement (Liters): 7.1

Engine Displacement (cubic inches): 431

Bore Size (in): 4.25

Bore Size (mm): 108

Piston Head Type: Dish

Crown (cc): +12.1cc

Compression Ratio: 75-10.1, 80-9.7, 88-9.1

Top Land: 0.25

Pin Type: Press or Floating

Grade Type: Performance

Oversize: .040"

OE Deck Height: 9.98

Alloy: 2618

Piston Material: Forged 2618 Alloy

Stroke (in): 3.75

Pin Diameter (mm): 25.1

Exhaust Valve Depth/Diameter: .199/1.880

Oversized: Yes

Bore Diameter IN: 4.25

Compression Height IN: 1.318

Compression Height MM: 33.5

Bore Diameter MM: 108

Make for Engine Family: Mopar

Rod (in): 6.76

Year Range: -

Rod (mm): 171.704

Pin Configuration: Centered

Pin Number: .990x300K

Base Number: IC690

Pin Diameter (in): 0.99

Lock: PRG110-3

Crown Type: DISH

Intake Valve Depth/Diameter: .218/2.300

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

Stroke (mm): 95.3

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