{"product_id":"s-s-duramax-high-pressure-cp3-pumps","title":"S\u0026S Duramax High Pressure CP3 Pump | SuperSport to 14mm High Speed | LB7 LLY LBZ LMM LML","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eS\u0026amp;S Diesel Motorsport high pressure CP3 pumps for the Duramax platform. Available in a full range of configurations from the entry-level SuperSport through the maximum-output 14mm High Speed with integrated SP3000 supply pump — covering everything from mild street builds to full competition applications.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eAll pumps are brand new — not remanufactured. Selecting the correct pump depends on your injector size, horsepower goals, rail pressure target, and turbo configuration. Contact us at \u003ca class=\"underline underline underline-offset-2 decoration-1 decoration-current\/40 hover:decoration-current focus:decoration-current\" href=\"mailto:info@hardwayperformance.com\"\u003einfo@hardwayperformance.com\u003c\/a\u003e with your build details and we will help you select the right pump for your combination.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eAvailable configurations:\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eDuramax SuperSport CP3 — New. Entry-level performance pump optimized for higher output above 3,500 RPM. The ideal first upgrade for a street-driven Duramax looking for increased rail pressure and fuel delivery over stock.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eDuramax 10mm CP3 — New. 1,325 mm³\/rev displacement. Significant step up in fuel volume over the SuperSport for trucks with injector upgrades and turbo modifications requiring more consistent rail pressure across the RPM range.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eDuramax 10mm High Speed CP3 — New. 1,325 mm³\/rev displacement, high speed optimized. Same displacement as the 10mm with high speed internal components for applications demanding faster pump response and sustained rail pressure at elevated RPM.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eDuramax 12mm CP3 — New. 1,590 mm³\/rev displacement. Increased fueling capacity for more aggressive builds running larger injectors, compound turbos, or high rail pressure targets.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eDuramax 12mm High Speed CP3 — New. 1,590 mm³\/rev displacement, high speed optimized. High speed variant for demanding builds requiring maximum 12mm displacement at sustained high RPM.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eDuramax 12mm High Speed CP3 w\/ SP3000 Supply Pump — New. 1,590 mm³\/rev displacement, high speed optimized with integrated SP3000 supply pump. For builds where lift pump flow has become a limiting factor on fuel delivery.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eDuramax 14mm CP3 — New. 1,850 mm³\/rev displacement. Serious high-output pump for fully built Duramax engines pushing the upper limits of common rail fueling.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eDuramax 14mm High Speed CP3 — New. 1,850 mm³\/rev displacement, high speed optimized. Maximum displacement high speed pump for full competition Duramax applications.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eDuramax 14mm High Speed CP3 w\/ SP3000 Supply Pump — New. 1,850 mm³\/rev displacement, high speed optimized with integrated SP3000 supply pump. The top of the S\u0026amp;S Duramax lineup — maximum fuel delivery for the most demanding competition builds where both pump output and supply flow are critical.\u003c\/p\u003e","brand":"S\u0026S Diesel Motorsport","offers":[{"title":"Duramax CP3 - New LBZ based - for use on LB7 LMLdual CP3 kitetc - can't be sold as stock LBZ","offer_id":47992522506536,"sku":"CP3-DMX-LBZ\/LMM","price":950.0,"currency_code":"USD","in_stock":true},{"title":"Duramax SuperSport CP3 (higher output \u003e3500rpm) | New LBZ-based","offer_id":47992522539304,"sku":"CP3-DMX-SS","price":1130.0,"currency_code":"USD","in_stock":true},{"title":"Duramax  10mm CP3 (1325 mm3 \/rev displacement) | New LBZ-based","offer_id":47992522572072,"sku":"CP3-DMX-10","price":2000.0,"currency_code":"USD","in_stock":true},{"title":"Duramax  10mm CP3 High Speed (1325 mm3 \/rev displacement) | New LBZ-based","offer_id":47992522604840,"sku":"CP3-DMX-10-HS","price":2200.0,"currency_code":"USD","in_stock":true},{"title":"Duramax  12mm CP3 (1590 mm3 \/rev displacement) | New LBZ-based","offer_id":47992522637608,"sku":"CP3-DMX-12","price":2500.0,"currency_code":"USD","in_stock":true},{"title":"Duramax  12mm CP3 High Speed (1590 mm3 \/rev displacement) | New LBZ-based","offer_id":47992522670376,"sku":"CP3-DMX-12-HS","price":2600.0,"currency_code":"USD","in_stock":true},{"title":"Duramax  12mm CP3 High Speed (1590 mm3 \/rev displacement) | New LBZ-based | with SP3000 Supply Pump (3000 L\/hr)","offer_id":47992522703144,"sku":"CP3-DMX-12-HS-SP","price":3600.0,"currency_code":"USD","in_stock":true},{"title":"Duramax  14mm CP3 (1850 mm3 \/rev displacement) | New LBZ-based","offer_id":47992522735912,"sku":"CP3-DMX-14","price":2800.0,"currency_code":"USD","in_stock":true},{"title":"Duramax  14mm CP3 High Speed (1850 mm3 \/rev displacement) | New LBZ-based","offer_id":47992522768680,"sku":"CP3-DMX-14-HS","price":2900.0,"currency_code":"USD","in_stock":true},{"title":"Duramax  14mm CP3 High Speed (1850 mm3 \/rev displacement) | New LBZ-based | with SP3000 Supply Pump (3000 L\/hr)","offer_id":47992522801448,"sku":"CP3-DMX-14-HS-SP","price":3900.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0687\/2508\/0360\/files\/22.png?v=1755181481","url":"https:\/\/hardwayperformance.com\/products\/s-s-duramax-high-pressure-cp3-pumps","provider":"Hardway Performance","version":"1.0","type":"link"}