{"id":9026694021345,"title":"PRW Power 5042121 Double Roller Timing Chain Set Pontiac 421-455","handle":"pqx5042121","description":"\u003cp style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal;\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-size: 12pt; font-family: 'Times New Roman', serif; color: #000000;\"\u003ePRW Power designed this 5042121 Double Roller Timing Chain Set for Pontiac 421-455 engines from 1961-1976. This set is extremely durable compared to your stock components and will not fail prematurely or stretch like most single roller timing chains.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal;\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-size: 12pt; font-family: 'Times New Roman', serif; color: #000000;\"\u003eThis easy to install set includes a 9 keyway crank sprocket offering a maximum of 8 degrees of Advance or Retard in 2 degree increments.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-outline-level: 3;\" class=\"MsoNormal\"\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cb\u003e\u003cspan style=\"font-size: 12pt; font-family: 'Times New Roman', serif;\"\u003ePRW Power 5042121 Timing Chain Set Features:\u003c\/span\u003e\u003c\/b\u003e\u003c\/span\u003e\u003cb\u003e\u003cspan style=\"font-size: 13.5pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003e\u003c\/span\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul type=\"disc\"\u003e\n\u003cli style=\"color: black; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\" class=\"MsoNormal\"\u003e\n\u003cspan style=\"font-size: 12pt; font-family: 'Times New Roman', serif; color: #000000;\"\u003eFor Pontiac 421-455 engines from 1961-1976\u003c\/span\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003e\u003c\/span\u003e \u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"color: black; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-size: 12pt; font-family: 'Times New Roman', serif; color: #000000;\"\u003eTiming Chain Style: Double Roller\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: black; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-size: 12pt; font-family: 'Times New Roman', serif; color: #000000;\"\u003eMaximum Advance\/Retard at Crankshaft: 8 degrees\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: black; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-size: 12pt; font-family: 'Times New Roman', serif; color: #000000;\"\u003eKeyway Quantity: 9\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: black; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-size: 12pt; font-family: 'Times New Roman', serif; color: #000000;\"\u003eCam Gear Material: Steel\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: black; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-size: 12pt; font-family: 'Times New Roman', serif; color: #000000;\"\u003eCrank Gear Material: Steel\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: black; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-size: 12pt; font-family: 'Times New Roman', serif; color: #000000;\"\u003eMade In The USA!!!\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: black; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-size: 12pt; font-family: 'Times New Roman', serif; color: #000000;\"\u003eQuantity: Sold as a set\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"color: black; line-height: normal;\"\u003e\u003cspan style=\"font-size: 12pt; font-family: 'Times New Roman', serif; color: #000000;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e\u003c\/span\u003e Fits under most stock timing chain covers without machining.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"color: black; line-height: normal;\"\u003e\u003cspan style=\"font-size: 12.0pt; line-height: 107%; font-family: 'Times New Roman',serif;\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman'; color: black;\"\u003e\u003cspan style=\"font-size: 12pt; font-family: 'Times New Roman', serif; color: #000000;\"\u003ePRW Power has a wide selection of race engine components including rocker arms, valve covers, flexplates, main caps, and more. They are well known for providing noticeable performance gains at a value price.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e","published_at":"2025-08-15T11:21:20-05:00","created_at":"2025-07-22T13:26:24-05:00","vendor":"PRW POWER","type":"Timing Chain and Gear Sets","tags":[],"price":15830,"price_min":15830,"price_max":15830,"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":46695119651041,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"PQX5042121","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"PRW Power 5042121 Double Roller Timing Chain Set Pontiac 421-455","public_title":null,"options":["Default Title"],"price":15830,"weight":0,"compare_at_price":null,"inventory_management":"shopify","barcode":"842864020189","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/www.winnerscircle.com\/cdn\/shop\/files\/5042121.jpg?v=1755274782"],"featured_image":"\/\/www.winnerscircle.com\/cdn\/shop\/files\/5042121.jpg?v=1755274782","options":["Title"],"media":[{"alt":"PRW Power 5042121 Timing Chain Set, Double Roller, fits Pontiac 421-455 engines, includes Thrust Bearing, 9 Keyway, each","id":37982851825889,"position":1,"preview_image":{"aspect_ratio":1.0,"height":1043,"width":1043,"src":"\/\/www.winnerscircle.com\/cdn\/shop\/files\/5042121.jpg?v=1755274782"},"aspect_ratio":1.0,"height":1043,"media_type":"image","src":"\/\/www.winnerscircle.com\/cdn\/shop\/files\/5042121.jpg?v=1755274782","width":1043}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003cp style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal;\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-size: 12pt; font-family: 'Times New Roman', serif; color: #000000;\"\u003ePRW Power designed this 5042121 Double Roller Timing Chain Set for Pontiac 421-455 engines from 1961-1976. This set is extremely durable compared to your stock components and will not fail prematurely or stretch like most single roller timing chains.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal;\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-size: 12pt; font-family: 'Times New Roman', serif; color: #000000;\"\u003eThis easy to install set includes a 9 keyway crank sprocket offering a maximum of 8 degrees of Advance or Retard in 2 degree increments.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-outline-level: 3;\" class=\"MsoNormal\"\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cb\u003e\u003cspan style=\"font-size: 12pt; font-family: 'Times New Roman', serif;\"\u003ePRW Power 5042121 Timing Chain Set Features:\u003c\/span\u003e\u003c\/b\u003e\u003c\/span\u003e\u003cb\u003e\u003cspan style=\"font-size: 13.5pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003e\u003c\/span\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul type=\"disc\"\u003e\n\u003cli style=\"color: black; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\" class=\"MsoNormal\"\u003e\n\u003cspan style=\"font-size: 12pt; font-family: 'Times New Roman', serif; color: #000000;\"\u003eFor Pontiac 421-455 engines from 1961-1976\u003c\/span\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003e\u003c\/span\u003e \u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"color: black; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-size: 12pt; font-family: 'Times New Roman', serif; color: #000000;\"\u003eTiming Chain Style: Double Roller\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: black; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-size: 12pt; font-family: 'Times New Roman', serif; color: #000000;\"\u003eMaximum Advance\/Retard at Crankshaft: 8 degrees\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: black; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-size: 12pt; font-family: 'Times New Roman', serif; color: #000000;\"\u003eKeyway Quantity: 9\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: black; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-size: 12pt; font-family: 'Times New Roman', serif; color: #000000;\"\u003eCam Gear Material: Steel\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: black; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-size: 12pt; font-family: 'Times New Roman', serif; color: #000000;\"\u003eCrank Gear Material: Steel\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: black; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-size: 12pt; font-family: 'Times New Roman', serif; color: #000000;\"\u003eMade In The USA!!!\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: black; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-size: 12pt; font-family: 'Times New Roman', serif; color: #000000;\"\u003eQuantity: Sold as a set\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"color: black; line-height: normal;\"\u003e\u003cspan style=\"font-size: 12pt; font-family: 'Times New Roman', serif; color: #000000;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e\u003c\/span\u003e Fits under most stock timing chain covers without machining.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"color: black; line-height: normal;\"\u003e\u003cspan style=\"font-size: 12.0pt; line-height: 107%; font-family: 'Times New Roman',serif;\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman'; color: black;\"\u003e\u003cspan style=\"font-size: 12pt; font-family: 'Times New Roman', serif; color: #000000;\"\u003ePRW Power has a wide selection of race engine components including rocker arms, valve covers, flexplates, main caps, and more. They are well known for providing noticeable performance gains at a value price.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e"}