Icon Premium Piston Set, IC966.040

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

Rod (mm): 152.4

Intake Valve Depth/Diameter: .322/2.240

Piston Material: Forged 2618 Alloy

Pin Diameter (in): 0.927

Pin Number: .927x2.500

Ring Pack: 1.5mm, 1.5mm, 3.0mm

Compression Height MM: 27

Oversize: .040"

Compression Height IN: 1.062

Bore Diameter IN: 4.125

Crown Type: FLAT TOP 2V

Bore Diameter MM: 104.8

Oversized: Yes

Year Range: -

Stroke (in): 3.875

Alloy: 2618

Pin Diameter (mm): 23.5

Lock: PRJ100-3

Pin Configuration: Centered

Stroke (mm): 98.4

Rod (in): 6

Base Number: IC966

Exhaust Valve Depth/Diameter: .284/1.800

Make for Engine Family: General Motors

OE Deck Height: 9.025

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