Manley 14030-4 H-Beam Connecting Rod Set for Mazda Speed 3 MZR 2.3L Turbo

The Manley 14030-4 H-Beam connecting rod set is engineered for high-performance applications in Mazda Speed 3 MZR 2.3L DISI turbocharged engines. These precision-manufactured connecting rods are designed to handle significantly more power than stock components, making them ideal for turbocharged and modified builds.

Construction and Materials:

• Forged from premium 4340 steel alloy for exceptional strength and durability
• H-beam design provides optimal strength-to-weight ratio
• Heat treated, stress relieved, shot peened, and 100% magnafluxed for quality assurance
• Weight matched to within +/- 1.5 grams per set for smooth operation
• Manufactured in the USA to OEM quality standards

Technical Specifications:

• Center-to-center length: 5.927 inches
• Big end bore: 2.166 inches
• Pin diameter: 22mm (0.866 inches)
• Big end width: 0.859 inches
• Rod weight: Approximately 610 grams each
• Includes 3/8" ARP 2000 cap screws for superior clamping force
• Bronze alloy bushing in wrist pin bore
• Bores honed to +/- 0.0002 inch tolerance

Performance Features:

• Designed for 600+ flywheel horsepower in 4-cylinder applications
• Perfectly round big and small ends with tightly controlled bend and twist
• Compact uniform-grain structure for ultimate strength
• Superior quality compared to budget H-beam rods on the market

This set includes four connecting rods, hardware, and is ready to install. Perfect for serious performance builds, forced induction applications, and high-RPM racing engines where reliability and strength are critical.