{"title":"High-Strength Connecting Rod Bolts","description":"\u003cp\u003eSecure your engine’s performance with high-strength connecting rod bolts. Designed to handle extreme pressures and RPMs, these bolts provide unmatched durability and reliability for high-performance and motorsport applications.\u003c\/p\u003e","products":[{"product_id":"arp-upgraded-custom-age-625-connecting-rod-bolts","title":"ARP Upgraded Custom Age 625+ 3\/8 1.5UHL Connecting Rod Bolts","description":"\u003ch2\u003eARP CUSTOM AGE 625+ HIGH RPM CONROD BOLTS\u003cbr\u003e\n\u003c\/h2\u003e\n\u003ch2 style=\"box-sizing: border-box; display: block; margin: 60px 0px 25px; font-family: 'DIN Next', sans-serif; font-weight: 500; letter-spacing: 0em; line-height: 1; font-size: 2.02353em; color: #474747; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: #ffffff; text-decoration-style: initial; text-decoration-color: initial;\"\u003eProduct Features\u003c\/h2\u003e\n\u003cul style=\"box-sizing: border-box; margin: 0px 0px 25px 30px; padding: 0px; text-rendering: optimizelegibility; color: #474747; font-family: 'DIN Next', sans-serif; font-size: 17px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: 0.425px; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: #ffffff; text-decoration-style: initial; text-decoration-color: initial;\"\u003e\n\u003cli\u003eARP Custom Age 625+ Super-Alloy\u003c\/li\u003e\n\u003cli\u003e Typical tensile strength is 260,000-280,000 psi\u003c\/li\u003e\n\u003cli\u003e Fits all PRE rods with 3\/8″ bolts\u003c\/li\u003e\n\u003cli\u003eReusable (no more than 3 times recommended)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"box-sizing: border-box; margin: 0px 0px 25px; color: #474747; font-family: 'DIN Next', sans-serif; font-size: 17px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: 0.425px; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: #ffffff; text-decoration-style: initial; text-decoration-color: initial;\"\u003eReplace the standard ARP 2000 alloy bolts shipped with most Connecting Rods. For serious power builds, ARP’s 625 Plus super-alloy demonstrates superior fatigue cycle life, tensile strength, and complete resistance to corrosion and oxidation. ARP was the first manufacturer to develop and test the difficult manufacturing process for 625+ alloy for rod bolt use. The result is well worth the effort offering a new level of rod bolt reliability in extreme engine applications for less cost than lesser improved alloys. Push your performance VW or Audi engine to the limits with ARP Custom Age 625+ alloy upgrade 3\/8″ rod bolts!\u003c\/p\u003e\n\u003ch2\u003eReplacement Rod Bolt Kit\u003c\/h2\u003e\n\u003ctable border=\"1\" width=\"400\" cellpadding=\"6\"\u003e\n\u003ctbody\u003e\n\u003ctr bgcolor=\"#cccccc\"\u003e\n\u003cth colspan=\"2\"\u003eSpecifications\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"75%\"\u003eMaterial\u003c\/td\u003e\n\u003ctd align=\"right\"\u003eCustom Age 625+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"75%\"\u003e1) Thread Size\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e3\/8˝\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"75%\"\u003e2) UHL\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e1.500˝\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"75%\"\u003e3) Thread Length\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e0.550˝\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"75%\"\u003e4) Grip Length\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e0.145˝\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"75%\"\u003e5) Head Height\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e0.388˝\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"75%\"\u003e6) Socket Size\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e7\/16 12pt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"75%\"\u003e7) Collar Dia.\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e0.555˝\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cimg decoding=\"async\" src=\"https:\/\/arp-bolts.com\/i\/rrb-drawing.jpg\" alt=\"\"\u003e\u003c\/p\u003e","brand":"ARP","offers":[{"title":"Default Title","offer_id":44809666134291,"sku":null,"price":49.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2117\/6195\/products\/ARP-Upgraded-Custom-Age-625-3-8-1-5UHL-Connecting-0.jpg?v=1737245597"},{"product_id":"arp-3-8-1-6uhl-arp-2000-replacement-individual-rod-bolts-pro-race-engineering","title":"ARP 3\/8 1.6UHL ARP 2000 Replacement Individual Rod Bolts","description":"\u003cp\u003e\u003cspan style=\"font-size: 18px; font-weight: normal;\"\u003eARP Pro series connecting rod bolts are precision CNC-machined to exacting specifications and designed for optimum reliability. They are heat-treated and threads are rolled to provide up to ten times more fatigue strength. This makes them far superior to standard OEM fasteners in terms of durability, and fully capable of handling the extra stress of high-combustion engine.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecifications\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eARP2000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1) Thread Size\u003c\/td\u003e\n\u003ctd\u003e3\/8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2) UHL\u003c\/td\u003e\n\u003ctd\u003e1.600\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3) Thread Length\u003c\/td\u003e\n\u003ctd\u003e0.600\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4) Grip Length\u003c\/td\u003e\n\u003ctd\u003e0.145\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5) Head Height\u003c\/td\u003e\n\u003ctd\u003e0.388\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e6) Socket Size\u003c\/td\u003e\n\u003ctd\u003e7\/16 12pt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e7) Collar Dia.\u003c\/td\u003e\n\u003ctd\u003e0.555\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003eARP Pro series connecting rod bolts are precision CNC-machined to exacting specifications and designed for optimum reliability. They are heat-treated and threads are rolled to provide up to ten times more fatigue strength.\u003c\/p\u003e\n\u003cp\u003eThis makes them far superior to standard OEM fasteners in terms of durability, and fully capable of handling the extra stress ofARP Pro series connecting rod bolts are precision CNC-machined to exacting specifications and designed for optimum reliability.\u003c\/p\u003e\n\u003cp\u003eThey are heat-treated and threads are rolled to provide up to ten times more fatigue strength. This makes them far superior to standard OEM fasteners in terms of durability, and fully capable of handling the extra stress of ARP Pro series connecting rod bolts are precision CNC-machined to exacting specifications and designed for optimum reliability.\u003c\/p\u003e\n\u003cp\u003eThey are heat-treated and threads are rolled to provide up to ten times more fatigue strength. This makes them far superior to standard OEM fasteners in terms of durability, and fully capable of handling the extra stress of\u003c\/p\u003e","brand":"ARP","offers":[{"title":"Default Title","offer_id":47577106219283,"sku":"PRE-200-6209.1","price":10.35,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2117\/6195\/products\/ARP-3-8-1-6UHL-ARP-2000-Replacement-Individual-Rod-0.jpg?v=1737277405"},{"product_id":"arp-upgraded-custom-age-625-3-8-1-6uhl-connecting-rod-bolts","title":"ARP Upgraded Custom Age 625+ 3\/8″ 1.6UHL Connecting Rod Bolts","description":"\u003cul\u003e\n\u003cli\u003eSold individually\u003c\/li\u003e\n\u003cli\u003eARP Custom Age 625+ Super-Alloy\u003c\/li\u003e\n\u003cli\u003eTypical tensile strength is 260,000-280,000 psi\u003c\/li\u003e\n\u003cli\u003eFits all PRE rods with 3\/8 bolts\u003c\/li\u003e\n\u003cli\u003eReusable (no more than 3 times recommended)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis is for one upgraded rod bolt to replace the standard ARP 2000 alloy bolts shipped with all 3\/8 PRE Connecting Rods. For serious power builds, ARPs 625 Plus super-alloy demonstrates superior fatigue cycle life, tensile strength, and complete resistance to corrosion and oxidation.\u003c\/p\u003e\n\u003cp\u003eARP was the first manufacturer to develop and test the difficult manufacturing process for 625+ alloy for rod bolt use. The result is well worth the effort offering a new level of rod bolt reliability in extreme engine applications for less cost than lesser improved alloys. Push your performance VW or Audi engine with PRE Connecting Rods to the limits with ARP Custom Age 625+ alloy upgrade 3\/8 rod bolts!\u003c\/p\u003e\n\u003ch2\u003eReplacement Rod Bolt Kit\u003c\/h2\u003e\n\u003cp\u003eRod Bolts 3\/8, 8-piece set\u003cbr\u003eKit #: 300-6703\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecifications\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eCustom Age 625+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1) Thread Size\u003c\/td\u003e\n\u003ctd\u003e3\/8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2) UHL\u003c\/td\u003e\n\u003ctd\u003e1.600\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3) Thread Length\u003c\/td\u003e\n\u003ctd\u003e0.600\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4) Grip Length\u003c\/td\u003e\n\u003ctd\u003e0.145\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5) Head Height\u003c\/td\u003e\n\u003ctd\u003e0.365\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e6) Socket Size\u003c\/td\u003e\n\u003ctd\u003e7\/16 12pt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e7) Collar Dia.\u003c\/td\u003e\n\u003ctd\u003e0.565\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cbr\u003e\u003cbr\u003e","brand":"ARP","offers":[{"title":"Default Title","offer_id":47577134727443,"sku":"300-6703","price":43.13,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2117\/6195\/products\/ARP-Upgraded-Custom-Age-625-3-8-1-6UHL-Connecting-8528.jpg?v=1737248152"},{"product_id":"arp-upgraded-custom-age-625-3-8-1-6uhl-connecting-rod-bolts-set-of-10","title":"ARP Upgraded Custom Age 625+ 3\/8″ 1.6UHL Connecting Rod Bolts Set of 10","description":"\u003cp\u003eARP Custom Age 625+ Rod Bolts for 5 Connecting rods.\u003c\/p\u003e\u003cbr\u003e\u003cbr\u003e","brand":"ARP","offers":[{"title":"Default Title","offer_id":47577159762195,"sku":"200-6209\/10","price":431.25,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2117\/6195\/products\/ARP-Upgraded-Custom-Age-625-3-8-1-6UHL-Connecting-0.jpg?v=1737214738"},{"product_id":"arp-upgraded-custom-age-625-3-8-1-6uhl-connecting-rod-bolts-set-of-16","title":"ARP Upgraded Custom Age 625+ 3\/8″ 1.6UHL Connecting Rod Bolts Set of 16","description":"\u003cul\u003e\n\u003cli\u003eARP Custom Age 625+ Super-Alloy\u003c\/li\u003e\n\u003cli\u003eTypical tensile strength is 260,000-280,000 psi\u003c\/li\u003e\n\u003cli\u003eFits all PRE rods with 3\/8 bolts\u003c\/li\u003e\n\u003cli\u003eReusable (no more than 3 times recommended)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThis is for one upgraded rod bolt to replace the standard ARP 2000 alloy bolts shipped with all 3\/8 PRE Connecting Rods. For serious power builds, ARPs 625 Plus super-alloy demonstrates superior fatigue cycle life, tensile strength, and complete resistance to corrosion and oxidation. \u003c\/p\u003e\u003cp\u003eARP was the first manufacturer to develop and test the difficult manufacturing process for 625+ alloy for rod bolt use. The result is well worth the effort offering a new level of rod bolt reliability in extreme engine applications for less cost than lesser improved alloys. Push your performance VW or Audi engine with PRE Connecting Rods to the limits with ARP Custom Age 625+ alloy upgrade 3\/8 rod bolts!\u003c\/p\u003e\u003ch2\u003eReplacement Rod Bolt Kit\u003c\/h2\u003e\u003cp\u003eRod Bolts  3\/8, 16-piece set\u003c\/p\u003e\u003cp\u003eKit #: 300-6702\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\u003cth\u003eSpecifications\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eCustom Age 625+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1) Thread Size\u003c\/td\u003e\n\u003ctd\u003e3\/8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2) UHL\u003c\/td\u003e\n\u003ctd\u003e1.600\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3) Thread Length\u003c\/td\u003e\n\u003ctd\u003e0.600\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4) Grip Length\u003c\/td\u003e\n\u003ctd\u003e0.145\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5) Head Height\u003c\/td\u003e\n\u003ctd\u003e0.365\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e6) Socket Size\u003c\/td\u003e\n\u003ctd\u003e7\/16 12pt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e7) Collar Dia.\u003c\/td\u003e\n\u003ctd\u003e0.565\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cbr\u003e\u003cbr\u003e","brand":"ARP","offers":[{"title":"Default Title","offer_id":47577231327507,"sku":"300-6702","price":667.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2117\/6195\/products\/ARP-Upgraded-Custom-Age-625-3-8-1-6UHL-Connecting-3108.jpg?v=1737219956"}],"url":"https:\/\/www.motorsportcalibrations.co.uk\/collections\/high-strength-connecting-rod-bolts.oembed","provider":"Motorsport Calibrations","version":"1.0","type":"link"}