IE Forged Connecting Rods VW 159X21 | Fits 2.0L 8V ABA & 2.0L16V ABF Engines | Performance parts and accessories for Audi, BMW, Volkswagen, Mini, Mercedes Benz, Porsche and Volvo

IE Forged Connecting Rods VW 159X21 | Fits 2.0L 8V ABA & 2.0L16V ABF Engines

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IE Forged Connecting Rods VW 159X21 | Fits 2.0L 8V ABA & 2.0L16V ABF Engines
IE Forged Connecting Rods VW 159X21 | Fits 2.0L 8V ABA & 2.0L16V ABF Engines
IE Forged Connecting Rods VW 159X21 | Fits 2.0L 8V ABA & 2.0L16V ABF Engines
MPN:
IERHVI1-RD
SKU:
IERHVI1-RD
Availability:
Contact us for availability

Product Overview

IE Forged Connecting Rods VW 159X21 | Fits 2.0L 8V ABA & 2.0L16V ABF Engines

Adding a turbo or more power to your VW/Audi 4 cylinder engine? Upgrade the weak links in your block and keep your engine together reliably with IE's market leading Volkswagen and Audi forged connecting rods!?

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PODUCT FEATURES

??21mm wrist pin for use with 21mm pistons only

??Forged from vacuum drawn 2 piece 4340 chrome moly steel

??Upgraded H beam design greatly increases strength and durability

??Combination tested to 700HP on 4 cylinder engines

??Includes IE Spec ARP 2000 rod bolts with "IE" stamp to ensure genuine product

??Individual computer optimized design to match unique VW/Audi engine applications

??Honed to exacting tolerances within 250 millionths of an inch

??Optional forced pin oiling (rifle drilling) for long wrist pin life

??Each connecting rod set is balanced to weights within +/- 1 gram

??Dimensionally and magnaflux inspected to ensure extreme reliability

??Multi-stage heat treated for dimensional stability and fatigue life

OVERVIEW

?When increasing the power output of your early VW 8V or 16V engine, internal parts begin to fail as they are pushed far beyond their original factory spec limits. Integrated Engineering Forged Connecting Rods are designed to replace the factory units and take the beating from today's high-output power modifications. Drive fast and reliably with IE performance rods, guaranteed to support 700HP!

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TECHNICAL DIMENSIONS

  • CENTER TO CENTER: 159mm
  • WRIST PIN DIAMETER: 21mm
  • BIG END JOURNAL WIDTH: 24.90mm
  • WRIST PIN STYLE: Non-tapered
  • BIG END JOURNAL DIAMETER: 50.60mm
  • AVERAGE ROD WEIGHT (WITH BOLTS): 598 grams
  • ROD BOLT DIMENSIONS: 3/8" x 1.5" UHL

INCLUDED ARP 2000 ROD BOLT TORQUE SPECS

*The following torque spec is for the included ARP 2000 3/8" rod bolts using the included ARP assembly lubricant only. Do not follow this guide using ARP +625, other assembly lubricants, or alternative bolts.
STRETCH GAUGE
The preferred method of measuring bolt load is?with a stretch bolt gauge. The included ARP 2000 bolts need to be tightened and measured to .006? of stretch using the included ARP assembly lubricant.?
TORQUE WRENCH
When using a high-quality torque wrench, first verify the torque wrench has not been dropped and is properly calibrated. A un-calibrated torque wrench can lead to under/over torque and rod bolt failure. Torque each rod bolt to a final torque of 50 ft/lbs. We recommend torquing the bolt, breaking it loose, and re-torquing the bolt 3 times per bolt. This ensures proper rod bolt stretch and that the rod cap is fully seated. Do not exceed 50 ft/lbs. This torque spec is based off the included ARP assembly?lubricant.

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WHAT MAKES IE RODS THE BEST?

H BEAM DESIGN

The H-beam design is the workhorse of our connecting rod product line. This design features strength, durability, stiffness and rigidity. IE H-beam Connecting Rods are a great upgrade over weaker factory units.

COMPUTER OPTIMIZED

All IE rods are designed specifically for the application using relevant cylinder pressure and other application-specific factors. We put our vast European engine knowledge to use when designing each application.

RIFLE DRILLING?

Also referred to as Forced Pin Oiling (FPO), rifle drilling increases wrist pin longevity by providing additional lubrication. This upgrade is highly recommended for street-driven cars that see mileage put on them.?Rifle drilling is sold separately on this application.

HONED IN-HOUSE

Honing the connecting rod big end in-house on state of the art equipment ensures the tolerances are set correctly to ensure proper bearing operation. Lesser quality rods are often not honed with the same attention to detail.

MATERIAL FORGED 4340

Made from strong and durable 2 piece 4340 forgings these rods will withstand almost everything you can throw at them.

IE/ARP ROD BOLTS?

All IE rods come standard with ARP 2000 rod bolts. The rod bolts included in every set of IE rods are stamped with the letters "IE" as a way to ensure you have a genuine set of IE rods.

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INCLUDED ARP 2000 ROD BOLT TORQUE SPECS

*The following torque spec is for the included ARP 2000 5/16" rod bolts using the included ARP assembly lubricant only. Do not follow this guide using ARP +625, other assembly lubricants, or alternative bolts.


STRETCH GAUGE

The preferred method of measuring bolt load is?with a stretch bolt gauge. The included ARP 2000 bolts need to be tightened and measured to .0056? of stretch using the included ARP assembly lubricant.?

TORQUE WRENCH

When using a high-quality torque wrench, first verify the torque wrench has not been dropped and is properly calibrated. A un-calibrated torque wrench can lead to under/over torque and rod bolt failure. Torque each rod bolt to a final torque of 26 ft/lbs. We recommend torquing the bolt, breaking it loose, and re-torquing the bolt 3 times per bolt. This ensures proper rod bolt stretch and that the rod cap is fully seated. Do not exceed 26 ft/lbs. This torque spec is based off the included ARP assembly?lubricant.

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TECHNICAL DETAILS

Connecting rods are some of the highest stressed components in an engine and thus require extreme attention to detail to ensure proper operation and reliability.? Integrated Engineering ensures the success of your next engine build by putting each set of connecting rods through a rigorous quality control process. For years Integrated Engineering H-beam Rods have been an integral part of delivering the power that the highest powered turbo setups and race engine demand.

Extra attention has been paid to even the smallest details such as the bearing tangs, wrist pin fit, and big end side clearance, providing a level of fit and finish not found anywhere else. Each and every set is finish machined and honed in-house for perfectly round and on size big-end bores, resulting in the industry's lowest failure rates. All rods in this series feature generous wrist pin oiling and?optional rifle drilling. ?One of the hallmarks of a high quality connecting rod is its strength to weight ratio. In order to create?this balance of strength and lightweight, our optimized H beam design is utilized and validated?using modern CAD drafting and FEA analysis techniques. These techniques ensure the rod is as?light and strong?as possible, perfect for?today's powerful and high rpm European applications.

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IERHVD1 CONNECTING ROD APPLICATIONS

  • VW - Golf 1993-1999.5 (MK3) 8V 2.0L & 16V 2.0L engines*
  • VW -?GTI 1993-1999.5 (MK3) 16V 2.0L engines*
  • VW -?Jetta 1993-1999 (MK3) 8V 2.0L & 16V 2.0L engines*
  • VW -?Corrado 1988-1995 (A3)?16V 2.0L engines*
  • VW - ABA 16V/20V hybrid engine builds (requires 9A 2.0L 16V pistons)

*ENGINE CODES: ABA & ABF

*ABA REQUIRES 21MM WRIST PIN AFTERMARKET OR FACTORY PISTONS

*ABF REQUIRES 21MM WRIST PIN AFTERMARKET PISTONS ONLY

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AVAILABLE ROD BEARINGS

Mahle Motorsport performance rod bearings - IE Part Number: MAH-VC1027

Calico/ACL performance coated rod bearings - IE Part Number: CAL-4B1606H

OE replacement rod bearings - IE Part Number: OEM-18T-RBSET

FAQ

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Are these are a direct replacement for my factory rods?

?These rods fit VW 8V & 16V 2.0L ABA & ABF engines found in many VW early chassis. These are a direct replacement for ABA engines with factory or aftermarket pistons, and replacement for ABF the factory rod when installing with aftermarket pistons only.

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Is there a proper orientation to install the bearing tangs on our connecting rods?

?We recommend installing the bearings tangs facing the exhaust side of the engine.

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Are these connecting rods forged?

?Yes, all Integrated Engineering Connecting Rods are made from tough and durable 4340 forgings. These forgings far exceed the quality of most factory rods that are typically made from powdered metal as a cost-saving measure.?

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What other parts will be needed to install my new IE connecting rod set?

?These rods require aftermarket 21mm wrist pin pistons, additionally, we recommend at a minimum you should use a new set of connecting rod bearings when installing rods.

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Do these rods require any additional machine work for installation?

?IE connecting rods are delivered to you in "ready to install" condition. Other engine machine work may be required though when rebuilding an engine, such as decking the block or boring and honing cylinder walls.

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Is balancing the engine required when installing these connecting rods?

?Since IE rods are sold in balanced sets this is not required. For extreme performance application, this can still be done if desired.

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What is the maximum RPM limit of these rods?

?The maximum RPM limit can be affected by many factors. In this application, we suggest not exceeding 8500 RPM with ARP 2000 bolts. If you plan on exceeding this RPM level, consider upgrading to ARP 625+ bolts.

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When should I upgrade to ARP 625+ rod bolts?

?Generally speaking, high RPM conditions put the most stress on rod bolts as the rod and cap are literally being pulled in opposite directions. If you plan on pushing your engine far past factory redline or 8500 RPM? we would suggest upgrading to 625+ ARP bolts.??

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Do I need rifle drilling?

?Rifle drilling is not required. However, we do strongly recommend it for a daily driver and high mileage applications. Rifle drilling has been proven to extend wrist pin and bushing life and has also been utilized over the years in several VW/Audi factory connecting rods.

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What is the horsepower rating on these connecting rods?

?Many high horsepower VW and Audi vehicles use IE rods. We rate our 4 cylinder H-beam rods for 700+ HP/ft-lb TQ. If you are planning on exceeding those levels we recommend upgrading to our Tuscan I-beam Rods.

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What pistons will these rods work with?

?We stock several high-quality piston options to suit your specific needs and to match our connecting rods. To see what we have, check the additional hardware tab.?

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What are the most common reasons for connecting rod failure?

?As one of the highest stressed components in the engine, there are several things that can contribute to a failure. The most common failure is caused by improper installation followed by improper tuning. We recommend that you seek professional help for both installation and tuning. Oiling system health is also essential to ensuring safe engine operation. Momentary oil starvation can result in spun rod bearings and engine failure. In extreme applications also be sure that you are using heavy duty wrist pins. On many of the pistons we offer we either include stout wrist pins or offer them as an upgrade.

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