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Product Details
| Part Number: | 306-05-1130 |
| Brand: | Skunk2 |
| Rod (mm): | 137.1 |
| Rod Weight In Grams: | 519 |
| Rod Style: | H-Beam |
| Rod Pin Size: | .827 |
| Rod HP Rating: | 800+ |
| Rod Bolts: | ARP 2000 |
Build a stronger Honda B-Series bottom end with the Skunk2 Alpha Series Connecting Rods, Part #306-05-1130. Engineered for performance B18 and B20 applications, these rods are manufactured from forged 4340 chromoly steel and feature Skunk2's straight H-beam design for an excellent combination of strength, durability, and weight.
Designed for naturally aspirated and forced-induction performance builds, Skunk2 Alpha Series rods undergo extensive heat treating, tempering, shot peening, and inspection processes to provide consistent strength under demanding engine conditions.
Each rod is equipped with 3/8-inch ARP2000 rod bolts, precision-machined bronze wrist-pin bushings, and dual pin-end oil passages. The offset oil passages help distribute lubrication around the wrist pin throughout the engine cycle, improving lubrication and cooling in this critical high-load area.
Skunk2 rates these Alpha Series rods for 900+ horsepower, making them an excellent choice for high-performance street, turbocharged, supercharged, and competition B-Series engine builds.
Features
- Forged from high-strength 4340 chromoly steel
- Heavy-duty straight H-beam design
- Rated by Skunk2 for 900+ horsepower
- 137.00mm connecting rod length
- Includes high-quality 3/8-inch ARP2000 rod bolts
- ARP2000 fasteners capable of extremely high clamping loads
- Precision CNC-machined for consistent dimensions
- Heat-treated and tempered for increased strength
- Shot-peened to help improve fatigue resistance
- Magna-flux inspected for material integrity
- FEA-analyzed design for optimized strength and reliability
- Precision-machined bronze wrist-pin bushings
- Dual pin-end oil passages provide increased wrist-pin lubrication and cooling
- Balanced to within +/- 1 gram
- Laser-etched Skunk2 logo for authenticity
- Designed to work with most compatible aftermarket pistons without additional pin-end machining
- Excellent for naturally aspirated, turbocharged, supercharged, street, drag, and road-racing builds
- Complete set of four connecting rods
Specifications
- Manufacturer: Skunk2 Racing
- Part Number: 306-05-1130
- Series: Alpha Series
- Product Type: Connecting Rod Set
- Quantity: Set of 4
- Material: Forged 4340 Chromoly Steel
- Rod Design: H-Beam
- Rod Length: 137.00mm
- Rod Bolt: 3/8-Inch ARP2000
- Wrist Pin Diameter: Approximately 21mm
- Big-End Bore: Approximately 48mm
- Balance Tolerance: +/- 1 Gram
- Horsepower Rating: 900+ HP
- Wrist Pin Bushing: Bronze
Engine Applications
- B18A
- B18B
- B20B
- B20Z
- Select other B-Series combinations using the same rod dimensions
Popular Vehicle Applications
- 1990–2001 Acura Integra LS / GS
- 1990–1998 Acura Integra RS
- 1997–2001 Honda CR-V
- Popular LS/VTEC and B20/VTEC performance engine builds
Important Piston Compatibility Note
- These connecting rods are designed for use with compatible aftermarket pistons and full-floating wrist-pin configurations. Skunk2 specifically notes that 306-05-1130 is not compatible with OEM-style pistons. Always verify piston wrist-pin diameter, pin configuration, compression height, crankshaft dimensions, and engine combination before assembly.
- Professional engine assembly, proper bearing clearances, fastener preparation, and verification of all rotating-assembly clearances are strongly recommended.
- For builders looking to strengthen a B18 or B20 bottom end, the Skunk2 306-05-1130 Alpha Series Connecting Rods provide forged 4340 construction, ARP2000 hardware, precision machining, and a 900+ HP rating in a proven H-beam design.
WARNING: This product may contain chemicals known to the State of California to cause cancer or birth defects. www.P65Warnings.ca.gov.
Vehicle Fitment
| Year | Make | Model | Trim |
|---|---|---|---|
| 1990 | Acura | Integra | GS |
| 1990 | Acura | Integra | GS |
| 1990 | Acura | Integra | LS |
| 1990 | Acura | Integra | LS |
| 1990 | Acura | Integra | RS |
| 1990 | Acura | Integra | RS |
| 1991 | Acura | Integra | GS |
| 1991 | Acura | Integra | GS |
| 1991 | Acura | Integra | LS |
| 1991 | Acura | Integra | LS |
| 1991 | Acura | Integra | RS |
| 1991 | Acura | Integra | RS |
| 1992 | Acura | Integra | GS |
| 1992 | Acura | Integra | GS |
| 1992 | Acura | Integra | GS-R |
| 1992 | Acura | Integra | GS-R |
| 1992 | Acura | Integra | LS |
| 1992 | Acura | Integra | LS |
| 1992 | Acura | Integra | RS |
| 1992 | Acura | Integra | RS |
| 1993 | Acura | Integra | GS |
| 1993 | Acura | Integra | GS |
| 1993 | Acura | Integra | GS-R |
| 1993 | Acura | Integra | GS-R |
| 1993 | Acura | Integra | LS |
| 1993 | Acura | Integra | LS |
| 1993 | Acura | Integra | RS |
| 1993 | Acura | Integra | RS |
| 1994 | Acura | Integra | LS |
| 1994 | Acura | Integra | LS |
| 1994 | Acura | Integra | RS |
| 1994 | Acura | Integra | RS |
| 1995 | Acura | Integra | LS |
| 1995 | Acura | Integra | LS |
| 1995 | Acura | Integra | RS |
| 1995 | Acura | Integra | RS |
| 1995 | Acura | Integra | Special Edition |
| 1995 | Acura | Integra | Special Edition |
| 1996 | Acura | Integra | LS |
| 1996 | Acura | Integra | LS |
| 1996 | Acura | Integra | RS |
| 1996 | Acura | Integra | RS |
| 1996 | Acura | Integra | Special Edition |
| 1996 | Acura | Integra | Special Edition |
| 1997 | Acura | Integra | GS |
| 1997 | Acura | Integra | GS |
| 1997 | Acura | Integra | LS |
| 1997 | Acura | Integra | LS |
| 1997 | Acura | Integra | RS |
| 1997 | Acura | Integra | RS |
| 1997 | Honda | CR-V | LX |
| 1997 | Honda | CR-V | LX |
| 1998 | Acura | Integra | GS |
| 1998 | Acura | Integra | GS |
| 1998 | Acura | Integra | LS |
| 1998 | Acura | Integra | LS |
| 1998 | Acura | Integra | RS |
| 1998 | Acura | Integra | RS |
| 1998 | Honda | CR-V | EX |
| 1998 | Honda | CR-V | EX |
| 1998 | Honda | CR-V | LX |
| 1998 | Honda | CR-V | LX |
| 1999 | Acura | Integra | GS |
| 1999 | Acura | Integra | GS |
| 1999 | Acura | Integra | LS |
| 1999 | Acura | Integra | LS |
| 1999 | Honda | CR-V | EX |
| 1999 | Honda | CR-V | EX |
| 1999 | Honda | CR-V | LX |
| 1999 | Honda | CR-V | LX |
| 1999 | Honda | Civic | Si |
| 1999 | Honda | Civic | Si |
| 2000 | Acura | Integra | GS |
| 2000 | Acura | Integra | GS |
| 2000 | Acura | Integra | LS |
| 2000 | Acura | Integra | LS |
| 2000 | Honda | CR-V | EX |
| 2000 | Honda | CR-V | EX |
| 2000 | Honda | CR-V | LX |
| 2000 | Honda | CR-V | LX |
| 2000 | Honda | CR-V | SE |
| 2000 | Honda | CR-V | SE |
| 2000 | Honda | Civic | Si |
| 2000 | Honda | Civic | Si |
| 2001 | Acura | Integra | GS |
| 2001 | Acura | Integra | GS |
| 2001 | Acura | Integra | LS |
| 2001 | Acura | Integra | LS |
| 2001 | Honda | CR-V | EX |
| 2001 | Honda | CR-V | EX |
| 2001 | Honda | CR-V | LX |
| 2001 | Honda | CR-V | LX |
| 2001 | Honda | CR-V | SE |
| 2001 | Honda | CR-V | SE |
Engine Fitment
Honda 1.8L/1834CC - 4 Cylinder (B18A1)
Honda 1.7L/1678CC - 4 Cylinder (B17A1)
Honda 1.8L/1834CC - 4 Cylinder (B18B1)
Honda 1.6L/1595CC - 4 Cylinder (B16A2)
Honda 2.0L/1972CC - 4 Cylinder (B20B4)
Honda 2.0L/1972CC - 4 Cylinder (B20Z2)
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