Icon Premium Piston Set, IC549C.007

ICON Forged Coated Piston - GM LS1 - LS6 5.7L

LS1, 15 degree valve angle. .030" offset pin. UltraWear M42 skirt coating.

Sold As: Piston Set

Engine Manufacturer: Chevrolet

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): +3cc

Compression Ratio: 64.5-10.5, 68.4-10.0, 70-9.8

Top Land: 0.245

Pin Type: Press or Floating

Compression Height MM: 33.1

Crown Type: FLAT TOP

Piston Material: Forged 2618 Alloy

Intake Valve Depth/Diameter: .196/2.326

Oversize: 0.007

Compression Height IN: 1.304

Bore Diameter MM: 99

Pin Configuration: Offset

Rod (mm): 155.6

Make for Engine Family: General Motors

Pin Diameter (in): 0.927

Bore Diameter IN: 3.898

Lock: BR8894-1

Stroke (mm): 92

Oversized: Yes

Oversizes: .007.015

Year Range: -

Pin Number: 927x2.250x.180C-SCR415H

Pin Diameter (mm): 23.5

Base Number: IC549C

Exhaust Valve Depth/Diameter: .149/1.730

Ring Pack: 1.2mm, 1.2mm, 3.0mm

OE Deck Height: 9.24

Alloy: 4032

Stroke (in): 3.622

Rod (in): 6.125