{"product_id":"az-quad-parts-athena-68mm-421-big-bore-stroker-kit-banshee","title":"Athena 68mm 421cc Big Bore Stroker Kit - Yamaha Banshee","description":"\u003ch3\u003e✓ Fits\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eYamaha Banshee YFZ350 (1987-2006).\u003c\/strong\u003e Complete 421cc big bore stroker conversion.\u003c\/p\u003e\n\u003ch3\u003e✓ The Only +4mm Stroker Athena Kit On The Market\u003c\/h3\u003e\n\u003cp\u003eThis is a complete top-to-bottom motor rebuild that competes with the Cheetah Cub at a fraction of the cost. With proper tuning on pump gas you can easily hit 95+ horsepower. A true 421cc big bore stroker: 68mm Athena cylinders combined with a Hot Rods +4mm stroker crank for a massive jump in power over stock.\u003c\/p\u003e\n\u003ch3\u003e✓ What's In This Kit\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAthena 68mm big bore Nikasil-plated cylinders (pair)\u003c\/li\u003e\n\u003cli\u003eAZ Quad Parts designed Wiseco Pro Lite 68mm custom pistons (pair), includes pistons, rings, pins, and clips; forged aluminum with larger port windows for more power (piston weight only 7.5 oz)\u003c\/li\u003e\n\u003cli\u003eHot Rods 4mm stroker crankshaft with 115mm heavy duty rods (trued and welded, ready to install)\u003c\/li\u003e\n\u003cli\u003ePro Design cool head\u003c\/li\u003e\n\u003cli\u003eAZQP custom 21cc big bore domes (other sizes available on request)\u003c\/li\u003e\n\u003cli\u003eCometic one-piece custom base gasket\u003c\/li\u003e\n\u003cli\u003eWiseco heavy duty wrist pin bearings\u003c\/li\u003e\n\u003cli\u003eAthena oil seal kit\u003c\/li\u003e\n\u003cli\u003eClutch cover gasket\u003c\/li\u003e\n\u003cli\u003eO-ring kit\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e✓ Choose Your Fuel\u003c\/h3\u003e\n\u003cp\u003eSelect \u003cstrong\u003ePump Gas\u003c\/strong\u003e or \u003cstrong\u003eRace Gas ONLY\u003c\/strong\u003e at checkout so your domes and compression are set up for the fuel you run. If you want a different dome size than the standard 21cc, contact us before ordering.\u003c\/p\u003e\n\u003cp style=\"background-color: #fff3cd; border: 1px solid #d4892a; color: #0e0d0b; padding: 10px;\"\u003e\u003cstrong\u003eBUILT FOR SERIOUS POWER:\u003c\/strong\u003e This is a complete big bore stroker engine build for experienced builders or professional installation. Correct assembly, clearances, squish, jetting, and break-in are critical. Reach out to our shop if you want us to build it for you.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShips fast!\u003c\/strong\u003e\u003c\/p\u003e","brand":"AZ","offers":[{"title":"Pump Gas","offer_id":49197535592673,"sku":"AZ-ATHENA-68MM-421-PUMP","price":1649.99,"currency_code":"USD","in_stock":true},{"title":"Race Gas ONLY","offer_id":49197535625441,"sku":"AZ-ATHENA-68MM-421-RACE","price":1649.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1219\/2993\/files\/p_1903_banshee-athena-complete-68mm-big-bore-421-stroker-hotrods-crank-pistons-pro-head-domes.jpg?v=1790095554","url":"https:\/\/dunegoonshop.com\/products\/az-quad-parts-athena-68mm-421-big-bore-stroker-kit-banshee","provider":"Dune Goons","version":"1.0","type":"link"}