{"product_id":"1-1-crank-pulley","title":"Allstar Performance 1:1 Crank Pulley","description":"\u003cp\u003eAllstar Performance Crankshaft Pulley is designed for Small Block Chevy engines with a short water pump, featuring a two-groove, 4.75-inch diameter configuration. Constructed from durable aluminum with a gray anodized finish, it provides strength while maintaining a lightweight design. The pulley is compatible with 1\/2-inch wide performance-grade V-belts, allowing reliable operation with high-performance mechanical fans. Its 1:1 ratio ensures efficient power transfer, and the wider grooves minimize slippage under demanding conditions. When paired with a power steering pump using a 6-inch pulley, this setup delivers approximately 30% RPM reduction for improved efficiency and balanced performance. Hardware is included for installation.\u003c\/p\u003e","brand":"Allstar Performance","offers":[{"title":"Default Title","offer_id":49691202584889,"sku":"DNLF_ALL31094","price":96.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0779\/0903\/3273\/files\/ALL31094.jpg?v=1722240824","url":"https:\/\/tuning4.com\/products\/1-1-crank-pulley","provider":"Tuning4 Auto Parts","version":"1.0","type":"link"}