High-quality forged steel crankshaft manufactured by RPM International for the intercooled 3.8L Turbo Buick engine. Designed for high-performance street and strip applications, offering improved strength over stock cast units.
⭐ Star: These gems are almost-new. Maybe they’ve been used for mockups or photoshoots, or maybe they’ve been used for very minimal time. So, expect minor scratches or dings. Some might even carry manufacturer warranties. Snag them for 20% to 40% off retail.
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The Fine Print All Sales Final: No take-backs, refunds, or exchanges.
As-Is Condition: We inspect every part before it hits the listing, but we recommend you double-check compatibility with your project.
Your Acknowledgment: By purchasing from Turbo 6 Parts, you agree to these terms.
🔧 Specifications:
• Manufacturer: RPM International Machine Products
• Material: Forged 4340 steel
• Stroke: 3.400" (Standard Turbo Buick specification)
• Journal Sizes: Standard (verify before installation)
• Balance: Internal/neutral balance design
• Application: 3.8L SFI Turbo V6 – Buick Grand National, T-Type, Turbo T, GNX
• Features: Cross-drilled oil passages, chamfered journals, precision-ground mains and rods
📦 Condition Notes:
• New old stock – never installed
• Light surface oxidation and residue from factory packaging
• Will require light polish and cleaning before assembly
• No visible cracks or damage
💡 Why You Want It:
RPM crankshafts are a proven upgrade for high-horsepower LC2 builds. Their forged construction and superior oiling design make them a strong foundation for builds targeting 700+ HP while retaining OEM fitment and balance.
⚠️ All Turbo 6 Parts are sold as-is with no returns, refunds, or exchanges. Buyer is responsible for verifying fitment and compatibility before purchase.
