Manley H-Tuff Plus Connecting Rod Set Subaru WRX 2002-2005 / STI 2004-2021 | 15024R6-4

Fitment Information: This connecting rod set fits 2002 - 2005 Subaru WRX with EJ205 engine and 2004 - 2021 Subaru STI with EJ257 engine. Note that this item won't work with OEM pistons. It only works with aftermarket pistons that don't need tapered connecting rods. Features: Manley 'H' Beam connecting rods are made from 4340 forgings, meeting the high - quality standards set by original equipment customers. They're far better in quality than other cheap H - Beams on the market. The weight is matched to +/- 1.5 grams, with perfectly round big and small ends. Bend and twist are 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: Center to Center is 5.137', Big End Bore is 2.165', Big End Width is .840', Pin Diameter is .905' (23mm), Pin Bore is .9063', and Gram Weight is 560. Manley Pistons can be bought separately here at IIR.

Using this Manley H - Tuff Plus Connecting Rod Set: First, make sure your vehicle is a 2002 - 2005 Subaru WRX with an EJ205 engine or a 2004 - 2021 Subaru STI with an EJ257 engine. Remember, you can't use OEM pistons with this set. You need to use aftermarket pistons that don't require tapered connecting rods. When installing, pay attention to the weight - matching of the rods, which is controlled to +/- 1.5 grams. Also, ensure the big and small ends are properly aligned as they are perfectly round. The cap fasteners are high - quality, so make sure to install them correctly. For maintenance, regularly check the rods for any signs of wear, such as abnormal bending or twisting. If you notice any issues, it's best to have a professional mechanic take a look. And don't forget, you can purchase Manley Pistons separately here at IIR to complete your engine setup.