{"product_id":"edelbrock-cyl-head-perf-rpm-amc-290-304-343-360-390-401-v-8-w-mach-exhst-x-over-complete","title":"Edelbrock Cyl Head Perf RPM AMC 290 304 343 360 390 401 V-8 w\/ Mach Exhst X-Over Complete","description":"\u003cp\u003e\u003cstrong\u003e⚠ No shipping to California due to CARB regulation.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe Edelbrock #60139 Performer RPM cylinder head is designed as a bolt-on performance upgrade for any 1967-91 AMX, Javelin or Jeep with a 343, 360, 390 or 401 AMC V8 engine. They include adjustable rocker studs and guide plates set-up for use with small-block Ford style adjustable 1.6:1 ratio rockers. The intake flange is dual-drilled to accommodate early and late model intake bolt patterns, covering 1967-91. A Complete head includes larger than- stock valve springs to handle most high-lift cams. They feature stock location ports for compatibility with standard manifolds and headers. A direct bolt-on for 1970 and later engines with 1\/2\" head bolts, This head includes step-dowel pins for pre-1970 engines. Their dual-quench combustion chambers produce approximately 9.5:1 compression in 401 V8 engines. The 45deg intake seat angle offers improved mid- to high-lift flow over the stock 30deg angle. The Edelbrock #601139 Performer RPM cylinder head has a machined heat crossover for 50-state emissions legal performance.\u003c\/p\u003e\u003cp\u003eThe Edelbrock #60139 Performer RPM Cylinder Heads are designed as a bolt-on performance upgrade for any 1967-91 AMX, Javelin or Jeep with a 343, 360, 390 or 401 AMC V8 engine.\u003c\/p\u003e\u003cul\u003e\u003cli\u003eOffers Improved Mid To High Lift Flow\u003c\/li\u003e\u003c\/ul\u003e\u003ch3 class=\"fitment-table-managed-heading\"\u003eVehicle Fitment\u003c\/h3\u003e\u003cstyle\u003etable.fitment-table-managed, .fitment-table-managed th, .fitment-table-managed td { border: 1px solid #ddd; border-collapse: collapse; padding: 4px 8px; text-align: left; font-size: 14px; }\u003c\/style\u003e\u003ctable class=\"fitment-table-managed\" data-fitment-source=\"turn14-app\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eTrim\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cbr\u003e\u003cstyle\u003etable.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; }\u003c\/style\u003e\u003ctable class=\"productattributes\"\u003e\n\u003cthead\u003e\u003ctr\u003e\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\u003ctd\u003eAir Freight Prohibited: false\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eNot Carb Approved: true\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eCarb Acknowledgement Required: true\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eLtl Freight Required: false\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eProp 65: Y\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003ePart Type: automotive\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eEpa: N\/A\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eRegular Stock: false\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eUnits Per Sku: 1\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cbr\u003e","brand":"Edelbrock","offers":[{"title":"Default Title","offer_id":47667941048471,"sku":"ede60139","price":1544.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0497\/9697\/2695\/files\/848438c01db533650e05b6a8893f0257.jpg?v=1776235965","url":"https:\/\/nlpperformance.com\/en-ca\/products\/edelbrock-cyl-head-perf-rpm-amc-290-304-343-360-390-401-v-8-w-mach-exhst-x-over-complete","provider":"Next Level Performance","version":"1.0","type":"link"}