{"product_id":"ppe-epc-solenoid-blocker-128041119-2011-2019-duramax-6-6l-lml-l5p","title":"PPE EPC SOLENOID BLOCKER 128041119 | 2011-2019 Duramax 6.6L LML\/L5P","description":"\u003cp\u003e\u003cspan style=\"font-family: -apple-system, BlinkMacSystemFont, 'San Francisco', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; font-size: 0.875rem;\"\u003eThe PPE EPC Solenoid Blocker is designed to address a common issue in 2011–2019 Allison 1000 transmissions: insufficient mainline pressure. Factory line pressure can drop significantly after shifts, reducing clutch clamping force and increasing the risk of clutch slip, excessive heat, and premature transmission wear—especially in towing or higher horsepower applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis simple upgrade helps maintain maximum available line pressure to the clutch packs, improving holding power, shift quality, and overall transmission reliability.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Benefits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIncreases clutch pack clamping force\u003c\/li\u003e\n\u003cli\u003eImproves transmission shift quality\u003c\/li\u003e\n\u003cli\u003eHelps reduce clutch slip and heat buildup\u003c\/li\u003e\n\u003cli\u003eSupports higher horsepower and towing demands\u003c\/li\u003e\n\u003cli\u003eAlternative to transmission line pressure tuning\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEasy installation without removing the valve body\u003c\/li\u003e\n\u003cli\u003eInstalls between the EPC solenoid and valve body\u003c\/li\u003e\n\u003cli\u003eMaintains available mainline pressure up to 230 PSI\u003c\/li\u003e\n\u003cli\u003eIdeal for towing, performance, and heavy-duty use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eInstallation Notes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRequires draining transmission fluid and removing the transmission pan\u003c\/li\u003e\n\u003cli\u003eValve body removal is not required\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Pacific Performance Engineering","offers":[{"title":"Default Title","offer_id":52195621929243,"sku":"128041119","price":49.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/5757\/3147\/files\/Screenshot2026-05-11at10.33.14AM.png?v=1778517208","url":"https:\/\/wwmperformance.com\/products\/ppe-epc-solenoid-blocker-128041119-2011-2019-duramax-6-6l-lml-l5p","provider":"WWM Performance","version":"1.0","type":"link"}