![Amazon.com: Eagle Specialty Products CRS5400C3D 5.40" 4340 Forged H-Beam Connecting Rod Set with 2.10" Pin for Small Block Ford : Automotive Amazon.com: Eagle Specialty Products CRS5400C3D 5.40" 4340 Forged H-Beam Connecting Rod Set with 2.10" Pin for Small Block Ford : Automotive](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/71Js7uy59WL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Eagle Specialty Products CRS5400C3D 5.40" 4340 Forged H-Beam Connecting Rod Set with 2.10" Pin for Small Block Ford : Automotive
![Amazon.com: Scat Crankshafts Scat (2-ICR6200-7/16) 6.200" 4340 Steel Forged I-Beam Rod with 7/16" Bolt for Small Block Chevy : Automotive Amazon.com: Scat Crankshafts Scat (2-ICR6200-7/16) 6.200" 4340 Steel Forged I-Beam Rod with 7/16" Bolt for Small Block Chevy : Automotive](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/61ZQHetINKL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Scat Crankshafts Scat (2-ICR6200-7/16) 6.200" 4340 Steel Forged I-Beam Rod with 7/16" Bolt for Small Block Chevy : Automotive
![Amazon.com: Yukon (YA W26026) 4340 Chrome-Moly Replacement Axle Kit for Dodge Dana 60 Front Differential with 35 Spline : Automotive Amazon.com: Yukon (YA W26026) 4340 Chrome-Moly Replacement Axle Kit for Dodge Dana 60 Front Differential with 35 Spline : Automotive](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/61S7fbtAICL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Yukon (YA W26026) 4340 Chrome-Moly Replacement Axle Kit for Dodge Dana 60 Front Differential with 35 Spline : Automotive
![Amazon.com: Scat Crankshafts Scat (4-360-4000-6123) 4.000" Stroke 4340 Steel Forged Crankshaft for Small Block Mopar : Automotive Amazon.com: Scat Crankshafts Scat (4-360-4000-6123) 4.000" Stroke 4340 Steel Forged Crankshaft for Small Block Mopar : Automotive](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/61Czbjg+SmL.jpg)
Amazon.com: Scat Crankshafts Scat (4-360-4000-6123) 4.000" Stroke 4340 Steel Forged Crankshaft for Small Block Mopar : Automotive
![Amazon.com: Kingtec Racing Performance Engine Forged Connecting Rods Compatible with Fiesta ST 180 1.6 Ecoboost Turbo 4340 Steel Conrods + ARP2000 Bolts : Automotive Amazon.com: Kingtec Racing Performance Engine Forged Connecting Rods Compatible with Fiesta ST 180 1.6 Ecoboost Turbo 4340 Steel Conrods + ARP2000 Bolts : Automotive](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/61vqdrUYH-L.jpg)
Amazon.com: Kingtec Racing Performance Engine Forged Connecting Rods Compatible with Fiesta ST 180 1.6 Ecoboost Turbo 4340 Steel Conrods + ARP2000 Bolts : Automotive
![Amazon.com: Eagle Specialty Products CRS5365N3D 5.365" 4340 Forged H-Beam Connecting Rod Set for Nissan : Automotive Amazon.com: Eagle Specialty Products CRS5365N3D 5.365" 4340 Forged H-Beam Connecting Rod Set for Nissan : Automotive](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/61E5rEL16iL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Eagle Specialty Products CRS5365N3D 5.365" 4340 Forged H-Beam Connecting Rod Set for Nissan : Automotive
![Amazon.com: Yukon Gear YA W81556-4340X) 42" Long 4340 Chrome-Moly Blank Axle for Dana 60 Differential : Automotive Amazon.com: Yukon Gear YA W81556-4340X) 42" Long 4340 Chrome-Moly Blank Axle for Dana 60 Differential : Automotive](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/51av0+36JtL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Yukon Gear YA W81556-4340X) 42" Long 4340 Chrome-Moly Blank Axle for Dana 60 Differential : Automotive
![Amazon.com: Online Metal Supply 0.500 (1/2 inch) x 36 inches, 4340 Alloy Steel Round Rod, Cold Finished : Industrial & Scientific Amazon.com: Online Metal Supply 0.500 (1/2 inch) x 36 inches, 4340 Alloy Steel Round Rod, Cold Finished : Industrial & Scientific](https://m.media-amazon.com/images/I/513n1DjhjGL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Online Metal Supply 0.500 (1/2 inch) x 36 inches, 4340 Alloy Steel Round Rod, Cold Finished : Industrial & Scientific
![Amazon.com: Eagle Specialty Products CRS5428T3D 5.428" 4340 Forged H-Beam Connecting Rod Set for Toyota : Automotive Amazon.com: Eagle Specialty Products CRS5428T3D 5.428" 4340 Forged H-Beam Connecting Rod Set for Toyota : Automotive](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/61kva8teGmL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Eagle Specialty Products CRS5428T3D 5.428" 4340 Forged H-Beam Connecting Rod Set for Toyota : Automotive
![Boss Hammer Premium 4340 Steel Rip Claw Hammer with Tough Tennessee Hickory Handle - 16 oz, Cerakote, Rip Claw Design, Smooth Faced - BH16STHI16S - Amazon.com Boss Hammer Premium 4340 Steel Rip Claw Hammer with Tough Tennessee Hickory Handle - 16 oz, Cerakote, Rip Claw Design, Smooth Faced - BH16STHI16S - Amazon.com](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/517YXf5ovKL.jpg)
Boss Hammer Premium 4340 Steel Rip Claw Hammer with Tough Tennessee Hickory Handle - 16 oz, Cerakote, Rip Claw Design, Smooth Faced - BH16STHI16S - Amazon.com
![Amazon.com: GOWE Connecting Rod for Suzuki Hayabusa GSX1300R 1300 Connecting Rod conrod 119.5mm H-Beam 4340 Forged 99-07 Race Racing Tuning Sport Bielle Billet : Automotive Amazon.com: GOWE Connecting Rod for Suzuki Hayabusa GSX1300R 1300 Connecting Rod conrod 119.5mm H-Beam 4340 Forged 99-07 Race Racing Tuning Sport Bielle Billet : Automotive](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/51dZkGRIQfL._AC_UF894,1000_QL80_.jpg)
Amazon.com: GOWE Connecting Rod for Suzuki Hayabusa GSX1300R 1300 Connecting Rod conrod 119.5mm H-Beam 4340 Forged 99-07 Race Racing Tuning Sport Bielle Billet : Automotive
![Amazon.com: 4340 Alloy Steel Round Bar, Unpolished (Mill) Finish, Rough Turned, Normalized, AMS 6415, 1.875" Diameter, 72" Length, OnlineMetals : Industrial & Scientific Amazon.com: 4340 Alloy Steel Round Bar, Unpolished (Mill) Finish, Rough Turned, Normalized, AMS 6415, 1.875" Diameter, 72" Length, OnlineMetals : Industrial & Scientific](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/51kjFBBntqL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: 4340 Alloy Steel Round Bar, Unpolished (Mill) Finish, Rough Turned, Normalized, AMS 6415, 1.875" Diameter, 72" Length, OnlineMetals : Industrial & Scientific
![Amazon.com: USA Standard 4340 Chromoly Axle Kit for Jeep JK Non-Rubicon Dana 30 Front, W/1350 (7166) Joints : Automotive Amazon.com: USA Standard 4340 Chromoly Axle Kit for Jeep JK Non-Rubicon Dana 30 Front, W/1350 (7166) Joints : Automotive](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/61p68QIaONL._AC_UF894,1000_QL80_.jpg)
Amazon.com: USA Standard 4340 Chromoly Axle Kit for Jeep JK Non-Rubicon Dana 30 Front, W/1350 (7166) Joints : Automotive
![Amazon.com: Eagle Specialty Products 5.1104G CRS5290H3D 5.29" 4340 Forged H-Beam Connecting Rod Set for Honda : Automotive Amazon.com: Eagle Specialty Products 5.1104G CRS5290H3D 5.29" 4340 Forged H-Beam Connecting Rod Set for Honda : Automotive](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/81Qi36wO7BL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Eagle Specialty Products 5.1104G CRS5290H3D 5.29" 4340 Forged H-Beam Connecting Rod Set for Honda : Automotive
![Amazon.com: VANWON 4340 Forged H-Beam Connecting Rods+ARP Bolt Compatible with BMW E32 740i M60B40 1992-1994 Conrods Rod 143mm 4340 Steel for M60 4.0L M62 4.4 : Automotive Amazon.com: VANWON 4340 Forged H-Beam Connecting Rods+ARP Bolt Compatible with BMW E32 740i M60B40 1992-1994 Conrods Rod 143mm 4340 Steel for M60 4.0L M62 4.4 : Automotive](https://m.media-amazon.com/images/I/51iBL7Gv2oL.jpg)
Amazon.com: VANWON 4340 Forged H-Beam Connecting Rods+ARP Bolt Compatible with BMW E32 740i M60B40 1992-1994 Conrods Rod 143mm 4340 Steel for M60 4.0L M62 4.4 : Automotive
![Amazon.com: SuperATV Heavy Duty Rhino 2.0 Polaris RZR 800 Stock Length Axle (2008-2014) - FRONT : Automotive Amazon.com: SuperATV Heavy Duty Rhino 2.0 Polaris RZR 800 Stock Length Axle (2008-2014) - FRONT : Automotive](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/51eEa061wXL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: SuperATV Heavy Duty Rhino 2.0 Polaris RZR 800 Stock Length Axle (2008-2014) - FRONT : Automotive
![Boss Hammer Premium 4340 Steel Rip Claw Hammer with Tough Tennessee Hickory Handle - 18 oz, Cerakote, Rip Claw Design, Smooth Faced - BH18STHI16S - Amazon.com Boss Hammer Premium 4340 Steel Rip Claw Hammer with Tough Tennessee Hickory Handle - 18 oz, Cerakote, Rip Claw Design, Smooth Faced - BH18STHI16S - Amazon.com](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/51oJ1IAAZEL._AC_UF894,1000_QL80_.jpg)
Boss Hammer Premium 4340 Steel Rip Claw Hammer with Tough Tennessee Hickory Handle - 18 oz, Cerakote, Rip Claw Design, Smooth Faced - BH18STHI16S - Amazon.com
![Amazon.com: Speedmaster PCE274.1033 H Beam 6.125" 2.100" .927" Bronze Bush 4340 Connecting Rods Suits: Fits Chevy LS : Automotive Amazon.com: Speedmaster PCE274.1033 H Beam 6.125" 2.100" .927" Bronze Bush 4340 Connecting Rods Suits: Fits Chevy LS : Automotive](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/61BKVjgkUqL.jpg)
Amazon.com: Speedmaster PCE274.1033 H Beam 6.125" 2.100" .927" Bronze Bush 4340 Connecting Rods Suits: Fits Chevy LS : Automotive
![Amazon.com: 4340 Alloy Steel Round Bar, Unpolished (Mill) Finish, Rough Turned, Normalized, AMS 6415, 1.875" Diameter, 72" Length, OnlineMetals : Industrial & Scientific Amazon.com: 4340 Alloy Steel Round Bar, Unpolished (Mill) Finish, Rough Turned, Normalized, AMS 6415, 1.875" Diameter, 72" Length, OnlineMetals : Industrial & Scientific](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/21wKe66ZvwL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: 4340 Alloy Steel Round Bar, Unpolished (Mill) Finish, Rough Turned, Normalized, AMS 6415, 1.875" Diameter, 72" Length, OnlineMetals : Industrial & Scientific
![Amazon.com: SuperATV Heavy-Duty Replacement U-Joint for Polaris Sportsman/Ace/RZR 800/900 / 1000 / Turbo | Ranger 570/800 / 900/1000 (See Fitment) | Made of 4340 Chromoly Steel | 2X as Strong as Stock : Automotive Amazon.com: SuperATV Heavy-Duty Replacement U-Joint for Polaris Sportsman/Ace/RZR 800/900 / 1000 / Turbo | Ranger 570/800 / 900/1000 (See Fitment) | Made of 4340 Chromoly Steel | 2X as Strong as Stock : Automotive](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/51Y1N+SRHLL._AC_UF894,1000_QL80_.jpg)
Amazon.com: SuperATV Heavy-Duty Replacement U-Joint for Polaris Sportsman/Ace/RZR 800/900 / 1000 / Turbo | Ranger 570/800 / 900/1000 (See Fitment) | Made of 4340 Chromoly Steel | 2X as Strong as Stock : Automotive
![Amazon.com: Scat Crankshafts 2-ICR6135 6.135" Forged 4340 I-Beam Connecting Rod For Big Block Chevrolet - Set of 8 : Automotive Amazon.com: Scat Crankshafts 2-ICR6135 6.135" Forged 4340 I-Beam Connecting Rod For Big Block Chevrolet - Set of 8 : Automotive](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/51ar03qhKyL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Scat Crankshafts 2-ICR6135 6.135" Forged 4340 I-Beam Connecting Rod For Big Block Chevrolet - Set of 8 : Automotive
![Amazon.com: Scat Crankshafts Scat (2-454-6385-2200) 6.385" 4340 Steel Forged H-Beam Rod for Big Block Chevy : Automotive Amazon.com: Scat Crankshafts Scat (2-454-6385-2200) 6.385" 4340 Steel Forged H-Beam Rod for Big Block Chevy : Automotive](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/81D-m1kNw7L._AC_UF894,1000_QL80_.jpg)