BMP 550 Big Bore for Sno Pro 500

BMP 550 Big Bore for Sno Pro 500


Regular price $2,019.95

***Must send in cylinders and head*** Also ship pipe if sending in for the recommended pipe mod. Package all contents VERY CAREFULLY and insure the package. BMP is not responsible for damages that occur in shipping.

Turnaround time can vary from 1-3 weeks for this kit depending on if core cylinders are in stock. Kits will normally ship very soon after your core cylinders and exhaust valves are received by BMP. We do grind your same exhaust valves which can have a 2-3 day delay on the order shipping. In a pinch and need a kit out asap? Call us and we can charge you for the core and ship your parts right away(depending on stock). 


Send us your Cylinders and Head for this kit. If purchasing pipe mod also send in pipe mod. Please use the BMP Work Order Form when sending parts.


Includes: Pistons Top End Gaskets Timing Key Ported & Plated Cylinders (exchange) Power Commander Required 116 Horsepower! Extremely flat torque curve that making tuning this package a snap.


Part Number: ADBM09-101


Send us your cylinders and head to get this great big bore kit to wake up that 500! First we bore your stock cylinders then extensively port them to our special spec then send them to get plated. Next we machine your head for the bigger bore and to give you more power! Available in high or low compression. Next we add in a set of our extremely high quality forged pistons, a gasket set, and timing key to finish up this kit. Power Commander required.

116 Horsepower! Extremely flat torque curve that makes tuning this package a snap.

Click here to download the general big bore instructions

Watch the video below for proper engine break-in protocol: