Icon FHR Piston Set, IC9989C.005

ICON Forged Coated Piston - GM LS1, LS6 5.7L with 3.622" stroke.

.030" offset pin. Right and left bank pistons. Fits 15 degree valve angle heads.

Sold As: Piston Set

Engine Manufacturer: GM

Engine Family: Chevrolet SB V8 Gen III/IV (LS1/LS6 5.7L Block)

Engine Displacement (Liters): 5.7

Engine Displacement (cubic inches): 346

Bore Size (in): 3.898

Bore Size (mm): 99

Piston Head Type: Flat

Crown (cc): +3.2cc

Compression Ratio: 64.5-10.4, 68.4-9.9, 70-9.7

Top Land: 0.275

Pin Type: Press or Floating

Compression Height IN: 1.304

Stroke (in): 3.622

Oversizes: STD.005.010

Intake Valve Depth/Diameter: .196/2.326

Alloy: 4032

OE Deck Height: 9.24

Pin Number: .9270x2.250x.180C-SCR415H

Lock: BR8894-1

Piston Material: Forged 4032 Alloy

Bore Diameter IN: 3.898

Compression Height MM: 33.1

Bore Diameter MM: 99

Crown Type: FLAT TOP 2V

Base Number: IC9989C

Ring Pack: 1.5mm, 1.5mm, 3.0mm

Rod (mm): 155.6

Oversize: .005"

Pin Diameter (mm): 23.5

Oversized: Yes

Pin Diameter (in): 0.927

Stroke (mm): 92

Rod (in): 6.125

Make for Engine Family: General Motors

Pin Configuration: Offset

Exhaust Valve Depth/Diameter: .149/1.730

Year Range: -