MANLEY

L O A D I N G

Connecting Rod

H-Beam Connecting Rod ･ Material: Forged 4340 steel ･ Uses ARP 2000 series cap bolts ･ Suitable for: 4-cylinder engines up to 600hp+ 　　　　　: 6-cylinder engines up to 800hp+ I-Beam Connecting Rod ･ Material: Vacuum forged 4340 steel ･ Uses ARP 2000 series cap bolts ･ Suitable for: 4-cylinder engines up to 1000hp+ 　　　　　: 6-cylinder engines up to 1250hp+ Tri-Beam Connecting Rod ･ Material: Vacuum forged 4340 steel ･ Adopts a tapered I-beam shape ･ Optimized strength-to-weight balance for high-power applications
Piston

･ Lightweight piston made of high-strength aluminum alloy 2618A. ･ Standard series comes with chromoly piston pins. (Parts No.42551) ･ Extreme Duty series comes with 9310 alloy piston pins (Parts No.42551) ･ Pressure balance groove structure. ･ Valve recess compatible with 1mm over-size big valves. ･ Recommended piston clearance: Standard specification 0.076mm : High boost specification 0.088mm

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