{"product_id":"b18b-i-beam-race-connecting-rods-4340-chromoly-arp-8740-bolts-set-of-4","title":"B18B1 I-Beam Race Connecting Rods | 4340 Chromoly ARP 8740 Bolts | Set of 4","description":"\u003cul\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e🔩 4340 CHROMOLY STEEL — Aircraft-grade material, shot-peened and magnaflux tested for structural integrity\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e⚡ 500+ HP RATED @ 8,200 RPM — Built for forced induction and high-revving B18B applications\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e🔧 ARP 8740 BOLTS — 200,000 psi yield strength, 3\/8\" 12-point chromoly fasteners included\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e📐 5.394\" C-TO-C LENGTH — Stroker clearanced, floating wrist pin, 1.771\" rod journal, .827\" pin bore\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e✅ WEIGHT MATCHED SET — All 4 rods matched from factory, zero balancing required Speedmasters\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr class=\"border-border-200 border-t-0.5 my-3 mx-1.5\"\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eDescription:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eBuilding a B18B for boost? The rods are where it either holds together or doesn't.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eThese I-beam race rods are magnaflux tested, shot-peened, and rated to 1000+ horsepower at 8,200 rpm. The I-beam profile keeps weight down without sacrificing strength — polished beams eliminate stress risers, one-rib cap design maximizes bearing support, and ARP 8740 chromoly bolts come in at 200,000 psi yield strength.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eStroker clearanced from the factory. Floating pin. Weight matched set of 4.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eSpecs at a glance:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eMaterial: 4340 Chromoly Steel\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eLength C-to-C: 5.394\"\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eRod Journal: 1.771\" | Pin Bore: .827\"\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eBolt: ARP 8740 3\/8\" 12-point\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eWeight: 547g | Rated: 1000+ hp \/ 8,200 rpm\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eQuantity: Set of 4\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"ZPerformanceSales.","offers":[{"title":"Default Title","offer_id":45137206214725,"sku":null,"price":289.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0740\/5505\/7477\/files\/speedmasters_40803a69-e863-4e1f-8327-99b63bf52a9c.jpg?v=1781167636","url":"https:\/\/zperformancesales.myshopify.com\/products\/b18b-i-beam-race-connecting-rods-4340-chromoly-arp-8740-bolts-set-of-4","provider":"ZPerformanceSales.","version":"1.0","type":"link"}