Cast Piston Kit
Standard Bore Size (3.375")
This is the port piston...if you need the starboard piston use 2100S
Fits:
Mercury/Mariner
175hp 1978-91 2.4L Chrome Block STD**
200hp 1978-90 2.4L Chrome Block STD**
225hp 1980-81 2.4L Chrome Block STD**
**When using this piston in a sleeved block, bore is 3.377" and uses a different ring. Always email us prior to ordering to specify the number of sleeved holes.
EMAIL US FOR OVERSIZE PISTON PART NUMBERS AND PRICES.
OE: 766-8667T42
