Icon Premium Piston Set, IC521CA.005

ICON Forged Coated Anodized Piston - GM LS1-LS6, 5.7L

15 degree valve angle. .030" offset pin. Anodized top ring groove and crown and with UltraWear M42 skirt coating.

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): +3.0cc

Compression Ratio: 64.5-10.4, 68.4-10.0, 70-9.8

Top Land: 0.245

Pin Type: Press or Floating

Compression Height MM: 33.8

Bore Diameter MM: 99

Bore Diameter IN: 3.898

Pin Diameter (in): 0.945

Stroke (mm): 92

OE Deck Height: 9.24

Oversized: Yes

Compression Height IN: 1.331

Oversize: .005"

Stroke (in): 3.622

Ring Pack: 1.2mm, 1.2mm, 3.0mm

Pin Number: G9452250180C

Intake Valve Depth/Diameter: .196/2.326

Pin Configuration: Offset

Lock: BR8894-1

Make for Engine Family: General Motors

Rod (in): 6.098

Piston Material: Forged 2618 Alloy

Crown Type: FLAT TOP

Alloy: 2618

Year Range: -

Exhaust Valve Depth/Diameter: .149/1.730

Oversizes: STD, .005, .015

Base Number: IC521CA

Pin Diameter (mm): 24

Rod (mm): 154.9