SKU: 14011-1 | UPC: 807298078281
Manley Mazda Miata 1.6L/1.8L B6/BP H-Beam Connecting Rod (Single Rod) 1990-2005
Manley H-Beam connecting rods upgrade Mazda Miata engines from 1990-2005 with 1.6L B6 and 1.8L BP powerplants in NA and NB models. This single forged 4340 steel rod measures 5.433 inches long with 2.086-inch big end bore and 0.866-inch small end bore for precise direct fit and high-revving reliability. Weighing 528 grams it reduces reciprocating mass while handling track-level horsepower.
Key Features
- Exacting Tolerances: Finished to tight specifications for balance and reliability under extreme loads.
- Attention to Detail: Final hone size thread fit bend and twist inspected for consistent quality.
- High Performance Design: H-Beam shape handles higher horsepower levels on the track.
- ARP Bolt Options: Choose ARP 8740 or ARP 2000 bolts to match your build needs.
- Forged 4340 Steel: Aircraft-grade material with gun-drilled small end for reduced reciprocating mass.
Product Notes
- Sold as single rod order in sets of four for complete engine builds.
- Weight per rod 528 grams for balanced rotating assembly.
- Compatible with stock and aftermarket pistons in B6/BP engines.
Installation Notes
- Professional installation recommended.
- Resize big ends and check rod alignment before use.
- Torque ARP bolts to Manley specifications using ARP moly lube.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1990-1997 | Mazda | Miata | Base |
| 1999 | Mazda | Miata | 10th Anniversary |
| 1999-2005 | Mazda | Miata | Base |
| 1993 | Mazda | Miata | LE |
| 2000-2005 | Mazda | Miata | LS |
| 1994-1997 | Mazda | Miata | M Edition |
| 2004-2005 | Mazda | Miata | Mazdaspeed |
| 1991 | Mazda | Miata | SE |
| 2000-2003 | Mazda | Miata | SE |
| 2003 | Mazda | Miata | Shinsen |
| 1997 | Mazda | Miata | STO |
Why Choose Manley?
- Proven in racing engines worldwide.
- Hand-built with strict quality controls.
- Engineered for durability in high-performance applications.
Frequently Asked Questions
-
Q: Will this rod fit both 1.6L B6 and 1.8L BP Miata engines?
A: Yes direct fit for 1990-1993 1.6L B6 and 1994-2005 1.8L BP engines in NA/NB Miatas. -
Q: What material and bolt types are used?
A: Forged 4340 steel construction with options for ARP 8740 or ARP 2000 rod bolts. -
Q: Is honing or balancing required after purchase?
A: Rods arrive ready to install but professional sizing and balancing recommended for best results.
Shipping & Handling
- Method: UPS or FedEx Ground
- Availability: In stock - ships same or next business day
- Packaging: Secure rod tube dimensions 24 x 7 x 3 inches
- Weight: 528 grams per rod 1.3 lbs packaged
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