Skunk2 GR Supra B58 Alpha Series Connecting Rods
Skunk2 GR Supra B58 Alpha Series Connecting Rods
Skunk2
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PRODUCT DETAILS
Overview
The Skunk2 Alpha Series Connecting Rods are high-performance engine internals engineered for the BMW B58 engine family — the same 3.0 L turbocharged inline-6 found in modern Toyota GR Supra models. Designed for enthusiasts building stronger engines with higher power levels, these rods deliver outstanding strength, durability, and precision balance.
Skunk2 has a long heritage in performance parts engineering, and the Alpha Series rods reflect decades of development in strengthening engine internals. With thoughtful design, stress-relieved materials, and precision manufacturing, these connecting rods are ideal for enthusiasts looking to build a stronger bottom end capable of supporting elevated power levels.
Key Features
-
H-Beam Construction: Precision CNC-machined from high-strength aircraft-grade 4340 alloy steel forgings for exceptional strength-to-weight performance.
-
Heat Treated & Shot Peened: Each rod undergoes heat treating and shot peen stress relief to increase fatigue resistance and longevity under high RPM and power conditions.
-
Bronze Wrist Pin Bushings: Factory installed bronze bushings improve wear characteristics and help ensure smooth piston pin movement.
-
Forced Pin Oiling: Optimized lubrication design to support enhanced durability in performance applications.
-
High-Strength Fasteners: Includes precision ARP2000 rod bolts rated over 220,000 psi to maintain clamping integrity under load.
-
Precision Balanced: Rods are matched to within +/- 1 gram for smooth operation and reduced vibration in high-revving builds.
Specifications
-
Set Quantity: 6 connecting rods (complete set)
-
Approx. Weight: 688g per rod
-
Center-to-Center Length: 140.80mm
-
Big End Dimensions: 53.60mm bore × 23.88mm width
-
Small End Dimensions: 22.00mm bore × 20.90mm width
Compatibility
- 2020+ GR Supra w/B58 3.0L
- BMW Z4 (G29)
WHY WE CARRY THIS
We only list parts we’d run ourselves or recommend to a friend building a real car. If it feels vague, unverified, or inconsistent, it doesn’t make the cut.
- Fitment-first mindset — no “universal” roulette
- Brand reputation matters — we favor proven manufacturing
- Support that actually responds with real answers
WHAT TO EXPECT
This is the clean path: correct fitment, clean install, and results that match the intent.
- Install-ready experience with correct mounting where provided
- Finish that holds up to real driving, not just photos
- Selections on this page drive the exact fitment shipped
TRUST, BUILT INTO THE PROCESS.
Anyone can list parts. We curate what belongs on a serious build. Our goal is simple: fewer surprises, cleaner installs, and confidence when you hit “Buy.”
Fitment checked
We prioritize vehicle-specific listings and clear selection logic so you’re not gambling on compatibility.
Brand discipline
Proven manufacturing and consistent quality matter more than hype. We bias toward what actually holds up.
Real support
If you have a question, you’ll get a human answer that helps you finish the build — not a copy-paste shrug.
Overview
The Skunk2 Alpha Series Connecting Rods are high-performance engine internals engineered for the BMW B58 engine family — the same 3.0 L turbocharged inline-6 found in modern Toyota GR Supra models. Designed for enthusiasts building stronger engines with higher power levels, these rods deliver outstanding strength, durability, and precision balance.
Skunk2 has a long heritage in performance parts engineering, and the Alpha Series rods reflect decades of development in strengthening engine internals. With thoughtful design, stress-relieved materials, and precision manufacturing, these connecting rods are ideal for enthusiasts looking to build a stronger bottom end capable of supporting elevated power levels.
Key Features
-
H-Beam Construction: Precision CNC-machined from high-strength aircraft-grade 4340 alloy steel forgings for exceptional strength-to-weight performance.
-
Heat Treated & Shot Peened: Each rod undergoes heat treating and shot peen stress relief to increase fatigue resistance and longevity under high RPM and power conditions.
-
Bronze Wrist Pin Bushings: Factory installed bronze bushings improve wear characteristics and help ensure smooth piston pin movement.
-
Forced Pin Oiling: Optimized lubrication design to support enhanced durability in performance applications.
-
High-Strength Fasteners: Includes precision ARP2000 rod bolts rated over 220,000 psi to maintain clamping integrity under load.
-
Precision Balanced: Rods are matched to within +/- 1 gram for smooth operation and reduced vibration in high-revving builds.
Specifications
-
Set Quantity: 6 connecting rods (complete set)
-
Approx. Weight: 688g per rod
-
Center-to-Center Length: 140.80mm
-
Big End Dimensions: 53.60mm bore × 23.88mm width
-
Small End Dimensions: 22.00mm bore × 20.90mm width
Compatibility
- 2020+ GR Supra w/B58 3.0L
- BMW Z4 (G29)
