Manley "H" Beam connecting rods are manufactured from 4340 forgings to the same exacting standards developed and approved by Manley's original equipment customers. There is a vast difference in quality between a Manley "H" Beam and the "other" inexpensive H-Beams on the market.

Manley Rods are:

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.


Center-to-Center - 5.137"

Big End Bore - 2.165"

Big End Width - .840"

Pin Diameter.9055" (23mm)

Pin Bore - .9063"

Manley Part #'s for Subaru EJ20 - EJ257 Application:

H-Beam Rods - 14024-4

H-Plus Rods - 14024R6-4

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Quantity: