Icon Premium Piston Set, IC689.060

ICON Forged - Chry 431 Rod 6.760 Flat Top +4.5cc or Rod 6.535 Flat Top +4.5cc

Centered pin. Fits Indy, Edelbrock, 440 Source and OE heads. No STD size. Designed for 383" block with 3.750" stroke and 6.760" rod. Ratios calculated with block machined to.000" deck clearance. .990" wrist pin.

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: Flat

Crown (cc): +4.5cc

Compression Ratio: 75-12.3L, 80-11.7, 88-10.8

Top Land: 0.25

Pin Type: Press or Floating

Year Range: -

Bore Diameter IN: 4.25

Compression Height MM: 33.5

Stroke (in): 3.75

Exhaust Valve Depth/Diameter: .199/1.880

Bore Diameter MM: 108

Pin Configuration: Centered

Stroke (mm): 95.3

Rod (mm): 171.704

Alloy: 2618

Compression Height IN: 1.318

Pin Diameter (mm): 25.1

OE Deck Height: 9.98

Oversize: .060"

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

Make for Engine Family: Mopar

Base Number: IC689

Oversized: Yes

Rod (in): 6.76

Intake Valve Depth/Diameter: .218/2.300

Pin Number: .990x300K

Pin Diameter (in): 0.99

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

Piston Material: Forged 2618 Alloy

Lock: PRG110-3

Crown Type: FLAT TOP