{"product_id":"bbk-1603","title":"BBK Underdrive Pulley Kits 1603","description":"\u003cdiv class=\"max-w-lg text-sm\"\u003eFits:\n\u003cul\u003e\n\u003cli\u003e1988–1995 Chevrolet Blazer\u003c\/li\u003e\n\u003cli\u003e1988–1995 Chevrolet C1500\u003c\/li\u003e\n\u003cli\u003e1992–1995 Chevrolet C1500 Suburban\u003c\/li\u003e\n\u003cli\u003e1988–1995 Chevrolet C2500\u003c\/li\u003e\n\u003cli\u003e1992–1995 Chevrolet C2500 Suburban\u003c\/li\u003e\n\u003cli\u003e1988–1995 Chevrolet C3500\u003c\/li\u003e\n\u003cli\u003e1988–1995 Chevrolet K1500\u003c\/li\u003e\n\u003cli\u003e1992–1995 Chevrolet K1500 Suburban\u003c\/li\u003e\n\u003cli\u003e1988–1995 Chevrolet K2500\u003c\/li\u003e\n\u003cli\u003e1992–1995 Chevrolet K2500 Suburban\u003c\/li\u003e\n\u003cli\u003e1988–1995 Chevrolet K3500\u003c\/li\u003e\n\u003cli\u003e1989–1991 Chevrolet R1500 Suburban\u003c\/li\u003e\n\u003cli\u003e1988 Chevrolet R20\u003c\/li\u003e\n\u003cli\u003e1988 Chevrolet R20 Suburban\u003c\/li\u003e\n\u003cli\u003e1989 Chevrolet R2500\u003c\/li\u003e\n\u003cli\u003e1989–1991 Chevrolet R2500 Suburban\u003c\/li\u003e\n\u003cli\u003e1988 Chevrolet R30\u003c\/li\u003e\n\u003cli\u003e1989–1991 Chevrolet R3500\u003c\/li\u003e\n\u003cli\u003e1988–1994 Chevrolet S10 Blazer\u003c\/li\u003e\n\u003cli\u003e1988–1995 Chevrolet S10\u003c\/li\u003e\n\u003cli\u003e1995 Chevrolet Tahoe\u003c\/li\u003e\n\u003cli\u003e1988 Chevrolet V30\u003c\/li\u003e\n\u003cli\u003e1989–1991 Chevrolet V3500\u003c\/li\u003e\n\u003cli\u003e1988–1995 GMC C1500\u003c\/li\u003e\n\u003cli\u003e1988–1995 GMC C2500\u003c\/li\u003e\n\u003cli\u003e1988–1995 GMC C3500\u003c\/li\u003e\n\u003cli\u003e1988–1995 GMC K1500\u003c\/li\u003e\n\u003cli\u003e1988–1995 GMC K2500\u003c\/li\u003e\n\u003cli\u003e1988–1995 GMC K3500\u003c\/li\u003e\n\u003cli\u003e1988–1989 GMC R2500\u003c\/li\u003e\n\u003cli\u003e1988–1991 GMC R3500\u003c\/li\u003e\n\u003cli\u003e1988–1991 GMC V3500\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\u003cdiv\u003eBBK\u003c\/div\u003e\u003cdiv\u003e1603\u003c\/div\u003e\u003cdiv\u003ePulleys - Crank, Underdrive\u003c\/div\u003e\u003cdiv\u003eInstall a set of BBK performance underdrive pulleys and see an average of 8-15 additional horsepower over the stock pulleys. Under drive pulleys increase engine output by reducing the draw of the engines accessories by slowing them down and reducing the HP they use. Additional and significant performance improvements can be seen by reducing the weight of the pulley versus the original pulley which is why we recommend the BBK CNC Machined billet aluminum pulley kits for maximum horsepower gains. ALL BBK pulley kits are designed as direct bolt on replacements for the current factory pulleys and retain full cooling and charging characteristics. BBK under drive pulley kits are vehicle specific and each kit comes with complete installation instructions and allow the re-use of existing serpentine belts.\u003c\/div\u003e\u003cdiv\u003eBBK Performance underdrive pulley kits are built from aircraft-quality, computer-machined steel or aluminum alloy. By reducing the speed of the accessories, these underdrive pulleys free up an average of 8 to 15 hp, while retaining full cooling and charging characteristics. Most pulley kits can be bolted on in less than 30 minutes.\u003c\/div\u003e","brand":"BBK","offers":[{"title":"Default Title","offer_id":42684790374442,"sku":"bbk1603","price":335.99,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2071\/2713\/products\/bbk-1603_im_xl.jpg?v=1696717472","url":"https:\/\/streetfx.myshopify.com\/products\/bbk-1603","provider":"StreetFX Motorsport","version":"1.0","type":"link"}