Icon Premium Piston Set, IC966.020

ICON Forged Piston -Chevy 420 Rod 6.000 Flat Top +7.1cc 2V

Centered pin. Comes with Spirol lock style lockrings. Spacer ring included. Fits 50cc cylinder heads. Always check dome and valve reliefs for correct clearance. Made from a 400 Chevy. Lateral gas ports. 21.5 degree valve angle.

Sold As: Piston Set

Engine Manufacturer: Chevrolet

Engine Family: Chevrolet SB V8 Gen I

Engine Displacement (Liters): 6.9

Engine Displacement (cubic inches): 421

Bore Size (in): 4.125

Bore Size (mm): 104.8

Piston Head Type: Flat

Crown (cc): +7.1cc

Compression Ratio: 50-14.0

Top Land: 0.221

Pin Type: Press or Floating

Make for Engine Family: General Motors

Oversizes: STD, .020, .030, .040, .060

Oversize: .020"

Pin Number: .927x2.500

Oversized: Yes

Stroke (mm): 98.4

Base Number: IC966

Stroke (in): 3.875

Bore Diameter MM: 104.8

Compression Height MM: 27

Bore Diameter IN: 4.125

Compression Height IN: 1.062

Piston Material: Forged 2618 Alloy

Rod (in): 6

Exhaust Valve Depth/Diameter: .284/1.800

Crown Type: FLAT TOP 2V

Intake Valve Depth/Diameter: .322/2.240

OE Deck Height: 9.025

Pin Configuration: Centered

Pin Diameter (mm): 23.5

Ring Pack: 1.5mm, 1.5mm, 3.0mm

Year Range: -

Lock: PRJ100-3

Alloy: 2618

Pin Diameter (in): 0.927

Rod (mm): 152.4