421 CID
Icon Premium Piston Set, IC966.030
SKU: 805417
Description
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
Exhaust Valve Depth/Diameter: .284/1.800
Oversize: .030"
Crown Type: FLAT TOP 2V
Bore Diameter IN: 4.125
Lock: PRJ100-3
Bore Diameter MM: 104.8
Rod (mm): 152.4
Intake Valve Depth/Diameter: .322/2.240
Compression Height IN: 1.062
Compression Height MM: 27
Make for Engine Family: General Motors
Pin Diameter (mm): 23.5
Pin Number: .927x2.500
Year Range: -
Pin Diameter (in): 0.927
Base Number: IC966
Stroke (mm): 98.4
OE Deck Height: 9.025
Rod (in): 6
Oversizes: STD, .020, .030, .040, .060
Pin Configuration: Centered
Piston Material: Forged 2618 Alloy
Oversized: Yes
Ring Pack: 1.5mm, 1.5mm, 3.0mm
Alloy: 2618
Stroke (in): 3.875
Specifications
- SKU
- 805417
- Category
- 421 CID
