Silvolite Piston Set, 1486HC.75MM

Silv-O-Lite Piston - Chevrolet 189ci/3.1L (V6)

Hypereutectic. 2.950" diameter recess.105" deep. Iron head. TBI. APV only. Coated skirts.

Sold As: Sold as a set, priced per set

Engine Manufacturer: Chevrolet

Engine Family: GM V6

VIN Code: D, T, Z

OE Cross Reference: 10070145, 10087699

Engine Displacement (Liters): 3.1

Engine Displacement (cubic inches): 191

Piston Head Type: Dish

Crown (cc): +12cc

Compression Ratio: 8.8

Top Land: 0.235

Pin Type: Press

Bore Diameter MM: 89

Second Compression Ring Thickness MM: 1.5

Bore Diameter IN: 3.5039

Piston Pin Outside Diameter MM: 23

Oil Ring Thickness MM: 4

Top Compression Ring Thickness MM: 1.5

Compression Height MM: 36.8

Piston Pin Outside Diameter IN: 0.905

Oversized: Yes

Compression Height IN: 1.45

Ring Pack: 1.5mm, 1.5mm, 4.0mm Shallow Oil Groove

Base Number: 1486HC

Oversizes: STD 0.5mm.75mm 1.0mm 1.5mm

Pin Configuration: Offset

Crown Type: DISH

Oversize: .75mm

Year From: 1990

Year Range: 1990-1995

Year To: 1995

Piston Material: Cast 390 Hypereutectic Alloy

Pin Number: 0905x212A