SKU: 14020-4 | UPC: 807298009704
Manley 93-99 Mitsubishi Eclipse GST/GSX 03-06 Evo 8/9 H-Beam +6mm Longer Rod Set
Manley 14020-4 H-Beam connecting rods feature a +6mm longer design (149.60mm center-to-center) for 4G63 stroker engines with 100mm cranks. These forged 4340 steel rods fit 1993-1999 Mitsubishi Eclipse GST/GSX Eagle Talon TSi Plymouth Laser RS and 2003-2006 Mitsubishi Lancer Evolution 8/9. They deliver strength for high-horsepower builds while maintaining exact balance and fit.
Key Features
- Exacting Tolerances: Finished to precise dimensions including final hone size bend and twist for reliable engine operation under extreme loads.
- Attention to Detail: Every thread and surface receives rigorous inspection to ensure consistent quality in every set.
- H-Beam Design: Forged 4340 aircraft-quality steel construction handles boosted and high-RPM applications in DSM and Evo engines.
- ARP Bolt Choices: Select ARP 8740 bolts for standard builds or ARP 2000 for racing with higher clamp load capacity.
- Stroker Specific: +6mm length (149.60mm C-C 51mm big end bore 22mm small end) pairs with 100mm stroke cranks for increased displacement.
Product Notes
- Designed for stroker conversions verify piston and crank compatibility before installation.
- Rods ship balanced as a set of 4 individual rod weight approximately 595 grams.
- Store in original packaging to prevent surface damage prior to install.
Installation Notes
- Professional installation recommended.
- Requires resizing of big ends and installation of new rod bearings (not included).
- Compatible with ARP 8740 or 2000 bolts torque to manufacturer specs (58-65 ft-lbs for 2000).
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1993-1998 | Eagle | Talon | TSi |
| 1993-1994 | Mitsubishi | Eclipse | GS |
| 1993-1999 | Mitsubishi | Eclipse | GST |
| 1993-1999 | Mitsubishi | Eclipse | GSX |
| 1996-1999 | Mitsubishi | Eclipse | Spyder GST |
| 2003-2006 | Mitsubishi | Lancer | Evolution |
| 1993-1994 | Plymouth | Laser | RS |
Why Choose Manley?
- Proven in drag racing and endurance events with thousands of race wins.
- Hand-built in the USA with computer-controlled machining for fitment accuracy.
- Lifetime warranty against breakage when installed correctly.
Frequently Asked Questions
-
Q: Will these rods fit stock stroke 4G63 engines?
A: No the +6mm longer length (149.60mm) requires a 100mm stroke crankshaft and matching stroker pistons for proper compression height. -
Q: What material are these rods made from?
A: Forged 4340 chromoly steel with 200000 PSI tensile strength heat-treated and stress-relieved for durability. -
Q: What is the warranty and installation process?
A: Lifetime warranty on breakage professional honing of big ends and ARP bolt installation required with plastigage check for clearances (0.0015-0.0025 inches).
Shipping & Handling
- Method: UPS Ground or FedEx
- Availability: In stock - ships same or next business day
- Packaging: Protective cardboard tube dimensions 20 x 6 x 2 inches
- Weight: 5.6 lbs
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