Manley Turbo Tuff I-Beam Connecting Rod Set Subaru WRX/STI (EJ20/EJ25) 4340 Steel +2mm 1000+HP

Manley Turbo Tuff I-Beam Connecting Rod Set - Subaru WRX/STI (EJ20/EJ25) - 4340 Steel +2mm 1000+HP

Manley's Turbo Tuff I-Beam connecting rods are built for serious power, combining aerospace-grade materials with race-proven engineering. Designed specifically for Subaru WRX and STI owners pushing beyond stock power levels, this set is rated for 1000+ HP and delivers the strength and reliability demanded by boosted, high-output EJ-series builds.

This listing covers a set of four connecting rods suited to the Subaru EJ20 and EJ25 engine families, including applications found in the WRX and STI platforms. These rods are +2mm longer than stock centre-to-centre length, so confirm your piston and block combination before ordering.

Note: The +2mm extended rod length requires careful consideration of piston compression height and block clearance. Verify your full rotating assembly dimensions prior to purchase.

Specifications

• Rod material: Forged 4340 vacuum degassed steel
• Rod type: I-Beam (Turbo Tuff Pro Series)
• Centre-to-centre length: 132.5mm (5.216 in) — +2mm over stock
• Big end bore: 55.0mm (2.165 in)
• Pin end bore: 23.0mm (0.9063 in)
• Wrist pin diameter: 23.0mm (0.9055 in)
• Rod bolts: 3/8 in ARP 625+ material
• Average rod weight: 560 g
• Journal size: Stock
• Quantity: 4 rods per set
• Approximate power rating: 1000+ HP

Vehicle compatibility, OEM part numbers, and fitment notes are provided in the tabs above. Please ensure your engine code, stroke, and piston combination are confirmed before ordering.

Not sure if these rods suit your build? Contact our team at sales@chicaneaustralia.com.au for expert advice.