{"id":4594734399566,"title":"Edelbrock 60139 AMC Performer Cylinder Head - Assm.","handle":"ede60139","description":"\u003cp\u003eCylinder Head - Performer - Assembled - 2.020 \/ 1.600 in Valve - 185 cc Intake - 54 cc Chamber - 1.550 in Springs - Aluminum - AMC V8 - Each\u003c\/p\u003e","published_at":"2025-10-06T15:39:03-05:00","created_at":"2020-03-24T09:45:20-05:00","vendor":"EDELBROCK","type":"Cylinder Heads","tags":["Accessory Bolt Holes Drilled: Yes","CNC-Machined Combustion Chamber: No","CNC-Machined Exhaust Runner: No","CNC-Machined Intake Runner: No","Combustion Chamber Volume (cc): 54","Cylinder Head Finish: Natural","Cylinder Head Material: Aluminum","Cylinder Head Style: Assembled","Damper Spring Included: Yes","Engine Size and Year: 5.6L \/ 343 1967-69","Engine Size and Year: 5.9L \/ 360 1970-74","Engine Size and Year: 6.4L \/ 390 1968-70","Engine Size and Year: 6.6L \/ 401 1971-74","Exhaust Port Location: Standard","Exhaust Runner Volume (cc): 70cc","Exhaust Valve Diameter (in): 1.600 in.","Exhaust Valves Included: Yes","Guideplate Pushrod Size: 5\/16 in.","Guideplates Included: Yes","Heat Crossover: No","Intake Port Location: Standard","Intake Runner Volume (cc): 185cc","Intake Valve Angle: 18","Intake Valve Diameter (in): 2.020 in.","Intake Valves Included: Yes","Lock Style: 7 degree","Locks Included: Yes","Machined for O-Ring: No","Make: AMC","Maximum Valve Lift (in): 0.580 in.","Number of Springs Per Valve: Single","Oiling Style: Through head","Outside Diameter of Outer Spring (in): 1.550 in.","Quantity: Sold individually.","Retainer Material: Steel","Retainers Included: Yes","Rocker Arm Nut Thread Size: 3\/8-24 in.","Rocker Arm Nuts Included: No","Rocker Arm Studs Included: Yes","Rocker Arms Included: No","Steam Holes Drilled: No","Valve Cover Mounting Style: Perimeter bolt","Valve Guide Material: Manganese bronze","Valve Guides Included: Yes","Valve Seat Machine Style: 3-angle","Valve Seat Material: Ductile iron","Valve Seats Machined: Yes","Valve Springs Included: Yes","Valve Stem Seal Style: Positive stop","Valve Stem Seals Included: Yes"],"price":141450,"price_min":141450,"price_max":141450,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":31906020261966,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"EDE60139","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Edelbrock 60139 AMC Performer Cylinder Head - Assm.","public_title":null,"options":["Default Title"],"price":141450,"weight":0,"compare_at_price":null,"inventory_management":"shopify","barcode":"085347601394","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/www.winnerscircle.com\/cdn\/shop\/products\/EDE60139.jpg?v=1585061121"],"featured_image":"\/\/www.winnerscircle.com\/cdn\/shop\/products\/EDE60139.jpg?v=1585061121","options":["Title"],"media":[{"alt":null,"id":6562678898766,"position":1,"preview_image":{"aspect_ratio":2.924,"height":342,"width":1000,"src":"\/\/www.winnerscircle.com\/cdn\/shop\/products\/EDE60139.jpg?v=1585061121"},"aspect_ratio":2.924,"height":342,"media_type":"image","src":"\/\/www.winnerscircle.com\/cdn\/shop\/products\/EDE60139.jpg?v=1585061121","width":1000}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003cp\u003eCylinder Head - Performer - Assembled - 2.020 \/ 1.600 in Valve - 185 cc Intake - 54 cc Chamber - 1.550 in Springs - Aluminum - AMC V8 - Each\u003c\/p\u003e"}