NO SPACER JUST MORE POWER! Athena 68mm big bore cylinders clean up ported. Pro Design cool head with orings and head studs. 22cc pup gas domes machined for 4mm crank. Hi temp piston rings. Wiseco wrist pin bearings. MAXLOAD head stud kit. Top end gasket kit. WE ARE HERE TO HELP!!! We ALWAYS STRONGLY recommend that this kit be installed by a qualified mechanic with experience working on these types of motors. The item “Banshee Athena 421 Stroker Big Bore Cool Head Cylinders PORTED 22c Dome 4 mM Cub” is in sale since Friday, July 31, 2020. This item is in the category “eBay Motors\Parts & Accessories\ATV, Side-by-Side & UTV Parts & Accessories\Engines & Components”. The seller is “bpracingatv” and is located in Upland, California. This item can be shipped worldwide.

• Modified Item: Yes
• Custom Bundle: Yes
• Surface Finish: Forged
• Manufacturer Part Number: PD300A P400485100024 S410485308012 S4C06800001A
• Placement on Vehicle: Left
• Brand: BP Racing ATV Wiseco Athena Pro Design
• Non-Domestic Product: No
• Warranty: Yes