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{"id":9026680258785,"title":"PRW Power 1745501 Billet Steel Main Caps Pontiac 421-455 Large Journal 4 Bolt","handle":"pqx1745501","description":"\u003cp style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal;\" class=\"MsoNormal\"\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cspan style=\"font-size: 12pt; font-family: 'Times New Roman', serif;\"\u003ePRW Power designed these 1745501 Billet Steel Main Caps for Pontiac 421-455 Large Journal engines. Made from precision-machined high strength steel, these 4 Bolt Dowel Pinned Replacement or Conversion main caps allow transfer of increased shock loads to the crankshaft and bearings. By eliminating main cap walk and reducing main bearing bore distortion, they stabilize your crankshaft rotating assembly, improving engine performance and reliability.\u003c\/span\u003e\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 1745501 Main Caps 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\u003cspan style=\"color: #000000;\"\u003e \u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003eFits Pontiac 421-455 Large Journal engines\u003c\/span\u003e\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;\"\u003eMain Cap Bolt Quantity: 4\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;\"\u003eMain Cap Bolt Style: Straight\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;\"\u003eMain Journal Type: Pontiac Large\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;\"\u003eMain Cap Material: Billet 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;\"\u003eFinish: Natural\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;\"\u003eMachine Work Required: Yes\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;\"\u003eMounting Hardware Included: No\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 of 3\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\u003eNotes:\u003c\/strong\u003e\u003c\/span\u003e 4 Bolt Dowel Pinned Replacement or Conversion. Drill Guide included.\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":"2025-09-03T13:28:26-05:00","created_at":"2025-07-22T13:23:12-05:00","vendor":"PRW POWER","type":"Main Caps","tags":[],"price":31506,"price_min":31506,"price_max":31506,"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":46695102218465,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"PQX1745501","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"PRW Power 1745501 Billet Steel Main Caps Pontiac 421-455 Large Journal 4 Bolt","public_title":null,"options":["Default Title"],"price":31506,"weight":0,"compare_at_price":null,"inventory_management":"shopify","barcode":"842864016380","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/www.winnerscircle.com\/cdn\/shop\/files\/1745501.jpg?v=1761249273"],"featured_image":"\/\/www.winnerscircle.com\/cdn\/shop\/files\/1745501.jpg?v=1761249273","options":["Title"],"media":[{"alt":"PRW Power 1745501 Main Caps, Billet Steel, Pontiac 421-455 Large Journal, 4 bolt replacement or conversion, includes drill guide, sold as a set of 3","id":38380649251041,"position":1,"preview_image":{"aspect_ratio":1.0,"height":1043,"width":1043,"src":"\/\/www.winnerscircle.com\/cdn\/shop\/files\/1745501.jpg?v=1761249273"},"aspect_ratio":1.0,"height":1043,"media_type":"image","src":"\/\/www.winnerscircle.com\/cdn\/shop\/files\/1745501.jpg?v=1761249273","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=\"color: #000000;\"\u003e\u003cspan style=\"font-size: 12pt; font-family: 'Times New Roman', serif;\"\u003ePRW Power designed these 1745501 Billet Steel Main Caps for Pontiac 421-455 Large Journal engines. Made from precision-machined high strength steel, these 4 Bolt Dowel Pinned Replacement or Conversion main caps allow transfer of increased shock loads to the crankshaft and bearings. By eliminating main cap walk and reducing main bearing bore distortion, they stabilize your crankshaft rotating assembly, improving engine performance and reliability.\u003c\/span\u003e\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 1745501 Main Caps 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\u003cspan style=\"color: #000000;\"\u003e \u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003eFits Pontiac 421-455 Large Journal engines\u003c\/span\u003e\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;\"\u003eMain Cap Bolt Quantity: 4\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;\"\u003eMain Cap Bolt Style: Straight\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;\"\u003eMain Journal Type: Pontiac Large\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;\"\u003eMain Cap Material: Billet 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;\"\u003eFinish: Natural\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;\"\u003eMachine Work Required: Yes\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;\"\u003eMounting Hardware Included: No\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 of 3\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\u003eNotes:\u003c\/strong\u003e\u003c\/span\u003e 4 Bolt Dowel Pinned Replacement or Conversion. Drill Guide included.\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"}

PRW Power 1745501 Billet Steel Main Caps Pontiac 421-455 Large Journal 4 Bolt

Product Description
$315.06
Maximum quantity available reached.

PRW Power designed these 1745501 Billet Steel Main Caps for Pontiac 421-455 Large Journal engines. Made from precision-machined high strength steel, these 4 Bolt Dowel Pinned Replacement or Conversion main caps allow transfer of increased shock loads to the crankshaft and bearings. By eliminating main cap walk and reducing main bearing bore distortion, they stabilize your crankshaft rotating assembly, improving engine performance and reliability.

PRW Power 1745501 Main Caps Features:

  • Fits Pontiac 421-455 Large Journal engines
  • Main Cap Bolt Quantity: 4
  • Main Cap Bolt Style: Straight
  • Main Journal Type: Pontiac Large
  • Main Cap Material: Billet Steel
  • Finish: Natural
  • Machine Work Required: Yes
  • Mounting Hardware Included: No
  • Quantity: Sold as a set of 3

Notes: 4 Bolt Dowel Pinned Replacement or Conversion. Drill Guide included.

PRW 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.

Sku: PQX1745501
Vendor: PRW POWER