Description

Manley "H" Beam connecting rods are manufactured from 4340 forgings to the same exacting standards developed and approved by our original equipment customers. There is a vast difference in quality between a Manley "H" Beam and the "other" inexpensive H-Beams on the market. Weight matched to +/- 1.5 grams. Perfectly round big and small ends. Bend and twist is tightly controlled. Cap fasteners are 3/8" ARP 2000 for the "H" Beam and 3/8" ARP Custom Age 625+ for the H-Plus.

Specifications

Part # Center-to-Center Big End Bore Big End Width Pin Diameter Pin Bore Gram Weight
Subaru WRX EJ20 / STi EJ25
14024-4 5.137" 2.165" .840" .9055" ( 23 mm ) .9063" 535
14024R6-4 (H-Plus) 5.137" 2.165" .840" .9055" ( 23 mm ) .9063" 535
Subaru WRX EJ20 / STi EJ25 - H-Tuff Series with heavier beam for higher boost applications
15024-4 (H-Tuff) 5.137" 2.165" .840" .9055" ( 23mm ) .9063" 560
15024R6-4 (H-Tuff Plus) 5.137" 2.165" .840" .9055" ( 23mm ) .9063" 560

Compatibility

  • Subaru EJ20/EJ25 Series engines

Manley "H" Beam connecting rods are manufactured from 4340 forgings to the same exacting standards developed and approved by our original equipment customers. There is a vast difference in quality between a Manley "H" Beam and the "other" inexpensive H-Beams on the market. Weight matched to +/- 1.5 grams. Perfectly round big and small ends. Bend and twist is tightly controlled. Cap fasteners are 3/8" ARP 2000 for the "H" Beam and 3/8" ARP Custom Age 625+ for the H-Plus.

Part # Center-to-Center Big End Bore Big End Width Pin Diameter Pin Bore Gram Weight
Subaru WRX EJ20 / STi EJ25
14024-4 5.137" 2.165" .840" .9055" ( 23 mm ) .9063" 535
14024R6-4 (H-Plus) 5.137" 2.165" .840" .9055" ( 23 mm ) .9063" 535
Subaru WRX EJ20 / STi EJ25 - H-Tuff Series with heavier beam for higher boost applications
15024-4 (H-Tuff) 5.137" 2.165" .840" .9055" ( 23mm ) .9063" 560
15024R6-4 (H-Tuff Plus) 5.137" 2.165" .840" .9055" ( 23mm ) .9063" 560
  • Subaru EJ20/EJ25 Series engines

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