Wiseco SK1213 Top-End Rebuild Kit for Ski-Doo 537 Engine/ Formula 521 - 73.00mm feed-mpn-04-0093 1992 Harley-Davidson FLSTSI Heritage Softail

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Wiseco SK1213 Top-End Rebuild Kit for Ski-Doo 537 Engine/ Formula 521 - 73.00mm feed-mpn-04-0093 1992 Harley-Davidson FLSTSI Heritage SoftailWiseco Performance Top End Rebuild Kit Part Number: SK1213 Piston Size: 73. 00mm These kits contain everything you need to complete your rebuild the right way, the first time High Performance ring kit and alloy pin included with each piston kit for extended life and sustained power. Dedicated forgings used for superior strength to weight ratio utilizing aerospace alloy. All Piston Kits are precision crafted and forged in the USA Wiseco's complete Top