{"product_id":"pdi-volvo-d13-head-gasket-set-22522221-copy","title":"PDI Big Boss Volvo \u0026 Mack Cylinder Head | D13 \u0026 MP8","description":"\u003ch3\u003eAll-New PDI CGI Cylinder Head for Volvo D13 and Mack MP8.\u003c\/h3\u003e\n\u003cp\u003eBuilt from Compacted Graphite Iron (CGI) with Inconel intake and exhaust valves for superior heat resistance, strength, and long-term durability in EPA14 and EPA17 engines. Engineered for high cylinder pressures, extended service life, and demanding duty cycles. The Volvo D13 and Mack MP8 operate under extreme thermal and combustion loads. Traditional gray iron cylinder heads are pushed to their limits under modern emissions-era operating conditions.\u003c\/p\u003e\n\u003ch3\u003ePDI’s Volvo\/Mack Cylinder Head is engineered to exceed those limits.\u003c\/h3\u003e\n\u003cp\u003eBy combining Compacted Graphite Iron metallurgy with Inconel intake and exhaust valves, this cylinder head delivers improved resistance to cracking, valve failure, and heat-related distortion. It is ideal for heavy-haul, vocational, and performance-focused rebuilds where durability and uptime matter most.\u003c\/p\u003e\n\u003ch3\u003eKey Features and Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompacted Graphite Iron (CGI) Casting\u003c\/strong\u003e\u003cbr\u003eStronger than traditional gray iron with increased fatigue resistance\u003cbr\u003eDesigned to handle higher cylinder pressures without cracking\u003cbr\u003eImproved thermal stability under sustained exhaust gas temperatures\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInconel Intake and Exhaust Valves\u003c\/strong\u003e\u003cbr\u003eExceptional resistance to heat and corrosion\u003cbr\u003eDesigned for modern emissions-era exhaust temperatures\u003cbr\u003eExtended valve life in high-load and severe-duty applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Machined for Exact Fit\u003c\/strong\u003e\u003cbr\u003eOEM-spec oil, coolant, and combustion passages\u003cbr\u003eDesigned for drop-in compatibility on Volvo\/Mack platforms\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePDI Quality Control Standards\u003c\/strong\u003e\u003cbr\u003eMulti-stage inspection process\u003cbr\u003eFlatness, valve seat concentricity, and pressure testing performed prior to release\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eVolvo D13 EPA14\u003c\/li\u003e\n\u003cli\u003eVolvo D13 EPA17\u003c\/li\u003e\n\u003cli\u003eMack MP8 EPA14\u003c\/li\u003e\n\u003cli\u003eMack MP8 EPA17\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e OEM Cross References\u003c\/td\u003e\n\u003ctd\u003e85020271, 8500985, 85020273, 22797841, 22498413, 22186468, 1002120\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Performance Diesel Inc","offers":[{"title":"Default Title","offer_id":51175470661938,"sku":"144007130271","price":4895.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0914\/6571\/1922\/files\/144007130271_-_PDI_Big_Boss_Volvo_Cylinder_Head_Stage_1.webp?v=1779229182","url":"https:\/\/richardsoncorp.net\/products\/pdi-volvo-d13-head-gasket-set-22522221-copy","provider":"RichardsonCorp","version":"1.0","type":"link"}