{"product_id":"piston-kit-vertex-53-94mm-gas-gas-mc-husaberg-te-husqvarna-tc-te-ktm-exc-sx-xc-w","title":"PISTON KIT VERTEX 53.94MM GAS GAS MC HUSABERG TE HUSQVARNA TC TE KTM EXC SX XC W","description":"\n\nCast Piston for 2 Stroke\n\nBecause of a cast piston?s ability to contain higher silicon content compared to forged pistons, and because twostrokes have lower cylinder pressures when compared to four-strokes, cast pistons are ideal for two-stroke engines. \nVertex pistons are gravity cast from an aluminum alloy with\n\n18% silicon content. \nSilicon is important because:\n\n- It decreases thermal expansion, which changes the geometry after the piston reaches operating temperature. \nWith low thermal expansion characteristics, Vertex pistons can be run at tighter tolerances compared with forged pistons. \nThis creates better power and performance, also making them less susceptible to rattling or breaking.\n\n- Silicon gives the pistons better wear characteristics and prolongs piston life by decreasing wear on the piston skirt.\n\nFlat top Twin Ring\nRing part number 55910005400\n","brand":"VERTEX","offers":[{"title":"PISTON KIT VERTEX 53.94MM GAS GAS MC HUSABERG TE HUSQVARNA TC TE KTM EXC SX XC W","offer_id":49815619731703,"sku":"23928A","price":244.95,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0037\/5868\/6272\/files\/9b31cefa841119ab40c951daaa314fc3_716d65be-3378-4da8-a066-b4ef63371cd4.jpg?v=1751274430","url":"https:\/\/timaruyamaha.co.nz\/products\/piston-kit-vertex-53-94mm-gas-gas-mc-husaberg-te-husqvarna-tc-te-ktm-exc-sx-xc-w","provider":"Timaru Yamaha","version":"1.0","type":"link"}