For your consideration is:

(2) Brand new in boxes [you will get two kits with pistons, Ring sets, Circlips and wrist pins as shown ----for two cylinder rebuild]. 

SPI brand (The Manufacturer of these kits were put under the label of LLP, SPI, Parts Unlimited and Kimpex and are OEM replacements). 

These are OEM Style Piston kits, Size: 53.4mm bore ---Standard Size

to fit:

1976 1977 1978 1979 Polaris TX 250 Free Air

1976 Polaris Starfire 250 Free Air

all above using the 249cc EC25PT-05-07 Free Air Polaris motors

included is: (2) Pistons 09-703 (OEM equivalent #3082864 and Wiseco equivalent #2128ps) 

(2) Single Rings, (2) wrist pins and (2) circlip sets

OEM Style Piston Kits

Piston weight compatible with original piston. All individual components are interchangeable with original parts Engineered to provide the best possible path for combustion chamber heat transfer to the cylinder walls All pistons, rings, pins and circlips are manufactured to OEM specifications.

----$? ea. kit + S&H retail through retailers if still available --they are long discontinued. Great to have as a spare or to rebuild or restore your sled!

Thanks for looking!