NOTES:

This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading materials using up-to-date equipment, it ensures everlasting reliability and enduring value. This product is distinguished by total quality assurance, unsurpassed by anybody else.

OEM Replacement Numbers: 785-9737A2, 785-9737T4, 785-9737A4

• Competitively priced forged pistons
• Coated with MOS2 for high performance and heat absorption
• Ported to match WSM Banshee sleeves
• Four piston categories from standard, big bore, 5mm long rod and big bore with 5mm long rod
• Piston pin is 5mm higher on long rod pistons to accommodate long rod

Brand: WSM
Part Number: 100-19PK

Fitment:

• 1990-1991 Mercury 6 Cyl 3.125 Bore 2L 135
• 1990-1991 Mercury 6 Cyl 3.125 Bore 2L 150
• 1990-1991 Mercury 6 Cyl 3.375 Chrome Bore 2.4L 175
• 1990-1991 Mercury 6 Cyl 3.375 Steel Bore 2.4L XR-4 150
• 1991 Mercury 6 Cyl 3.501 Bore 2.5L 200
• 1990-1991 Mercury 6 Cyl 3.501 Bore 2.5L EFI 175
• 1990-1991 Mercury 6 Cyl 3.501 Bore 2.5L EFI 200

Note: Image is for reference only, actual product may vary slightly.