Icon Premium Piston Set, IC690.040

ICON Forged Piston - Chrysler 431 Rod 6.760/6.535 Dish +12.1cc V8

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

Sold As: Piston Set

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

Year Range: -

Pin Diameter (mm): 25.1

Stroke (in): 3.75

Rod (in): 6.76

Alloy: 2618

Pin Configuration: Centered

Rod (mm): 171.704

Exhaust Valve Depth/Diameter: .199/1.880

Bore Diameter IN: 4.25

Compression Height IN: 1.318

Compression Height MM: 33.5

Bore Diameter MM: 108

Crown Type: DISH

Oversize: .040"

Intake Valve Depth/Diameter: .218/2.300

Piston Material: Forged 2618 Alloy

Pin Diameter (in): 0.99

Oversized: Yes

Stroke (mm): 95.3

OE Deck Height: 9.98

Make for Engine Family: Mopar

Base Number: IC690

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

Pin Number: .990x300K

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

Lock: PRG110-3