These Teryx/Brute Force Big Bore Kits offer the engine builder an easy way to gain horsepower and torque.

Unlike other kits on the market, the Muzzy kits include the bored cylinders. You pay a cylinder core charge at the time of shipment. A refund is issued as soon as we receive your qualifying cores.

The 800 & 840cc kits include nickel silicon carbide composite coated front and rear bored cylinders, Muzzy pistons, rings, pins, clips and gaskets.

The 916cc kit includes nickel silicon carbide composite coated front and rear bored cylinders, Muzzy 90mm pistons, 6mm stroked crankshaft (ion nitrided, dynamically balanced and micropolished) Carrillo® H-beam connecting rods, rings, pins, clips and gaskets.
The Stroker Crank & Rods kit is available separately to compliment the newest 916cc Billet Big Bore Kit

P/N Description Price Order 0007-00218 08-10 750 Teryx/Brute Force 800cc Big Bore Kit Price does not include $590.00 refundable cylinder core charge ($295.00/cylinder). $899.95 0007-00224 08-10 750 Teryx/Brute Force 840cc Big Bore Kit Price does not include $590.00 refundable cylinder core charge ($295.00/cylinder). $899.95 0007-00231 08-10 750 Teryx/Brute Force 916cc Big Bore Stroker Kit - 90mm pistons, cylinders, rings,clips,gaskets, crankshaft,Carrillo H-beam rods Price does not include $590.00 refundable cylinder core charge ($295.00/cylinder) and $225.00 crankshaft core . $2725.95 0007-00257 08-10 Teryx, 08-10 KVF-750 916cc billet big bore kit   $2295.95 0007-00232 08-10 Teryx/Brute Force Stroker Crank and Rods Kit Price does not include $250.00 refundable crankshaft core charge.* $1825.95 0049-00109 08-10 750 Teryx/Brute Force Front Big Valve Head Kit Price does not include $399.00 refundable cylinder core charge. 699.95 0049-00110 08-10 750 Teryx/Brute Force Rear Big Valve Head Kit Price does not include $399.00 refundable cylinder core charge. 699.95 0049-00123 750 Teryx/Brute Force 46mm Billet Throttle Bodies   $999.95 0049-00134 750 Teryx/Brute Force 38mm Bored Throttle Bodies - Price does not include $426.00 refundable throttle body core charge. NOTE: To be eligible for refund, core must be a KVF-750 Brute Force throttle body.   $449.95 IMPORTANT: You must receive a Return Authorization number before returning your core. Call Muzzys at 1-541-385-0706. Returns without a proper Muzzys RMA number will be refused. Allow at least 10 working days after Muzzys' receipt of your core for refund processing. *Note: To be eligible for a core refund, all cores must be returned within forty-five(45) days of the invoice date.