{"product_id":"3-5-8-inch-piston-set-standard-size","title":"3-5\/8 inch Piston Set Standard Size","description":"\u003cp\u003eSifton piston set is standard size for a 3-5\/8 inch Big Bore. Has a 9.75:1 compression  3-5\/8 inch bore with a 4-1\/2 inch stroke flywheel.\n\u003cbr\u003e**Note: Run engine at moderate speeds for at least 500 miles  avoiding excessive running in lower gears  in order to properly break-in new pistons and rings. \n\u003cbr\u003e Tech Notes: Suggested to use with #12-0949 Piston Wrist Pin Lock. \n\u003cbr\u003e Instructions: http:\/\/www.vtwinmfg.com\/Instructions\/MS\/Piston Fitment.pdf\u003c\/p\u003e","brand":"Motorshop","offers":[{"title":"Default Title","offer_id":67624228749497,"sku":"11-1709","price":291.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0775\/0179\/2441\/files\/11-1709a.jpg?v=1790892986","url":"https:\/\/www.thespeedshopusa.com\/products\/3-5-8-inch-piston-set-standard-size","provider":"THE SPEED SHOP USA","version":"1.0","type":"link"}