Where to Find a Reliable Acura NSX Engine for Sale – C30A & JNC1 Guide

The Acura NSX has earned its reputation as one of the most iconic performance cars in automotive history. Whether you're restoring a classic NSX or looking to upgrade your second-gen model, a reliable replacement engine is the heart of the journey. In this guide, we’ll explore where and how to find a reliable Acura NSX engine for sale, with a focus on the two most popular and powerful engine models the C30A engine and the JNC1 engine.

Introduction: The Legacy of the Acura NSX

First introduced in 1990, the Acura NSX (also known as the Honda NSX in some markets) disrupted the supercar world with its blend of performance, reliability, and daily drivability. Unlike its temperamental Italian counterparts, the NSX brought exotic looks and handling to a wider audience — backed by Honda’s famed engineering.

Two generations of the NSX were produced:

• First Generation (1990–2005) – Featured the naturally aspirated C30A and later C32B V6 engines.
  
  

• Second Generation (2016–2022) – Came with the twin-turbocharged, hybrid JNC1 engine.
  
  

If you’re on the hunt for a used NSX engine, chances are you’re looking for one of these two powerhouse engines: the C30A engine for sale or the JNC1 engine for sale. Let’s break them down.

Understanding NSX Engine Types: C30A vs. JNC1

C30A Engine – The Heart of the First-Gen NSX

The C30A engine is a 3.0-liter, DOHC V6 engine with VTEC technology, producing around 270 horsepower and revving up to 8,000 RPM. It’s naturally aspirated and known for its linear power delivery, mechanical precision, and reliability.

Key Specs:

• Engine Code: C30A
  
  

• Displacement: 3.0L
  
  

• Layout: V6, mid-mounted
  
  

• Power: ~270 HP @ 7,100 RPM
  
  

• Torque: ~210 lb-ft
  
  

• Transmission: 5-speed manual or 4-speed automatic
  
  

If you're restoring a classic NSX, finding a C30A engine for sale in good condition is a top priority.

JNC1 Engine – Second-Gen NSX's Hybrid Beast

The JNC1 is a 3.5-liter twin-turbo V6 engine paired with three electric motors to form Acura's Super Handling All-Wheel Drive (SH-AWD) hybrid system. This engine produces over 570 horsepower combined and delivers blistering performance, making it one of the most advanced powertrains ever built by Honda/Acura.

Key Specs:

• Engine Code: JNC1
  
  

• Displacement: 3.5L Twin-Turbo
  
  

• Power: 500 HP (ICE), 573 HP (Combined)
  
  

• Torque: 406 lb-ft
  
  

• Transmission: 9-speed dual-clutch
  
  

• Hybrid System: 3 electric motors
  
  

Finding a JNC1 engine for sale is more challenging and expensive than a C30A, but well worth the investment for second-gen NSX owners or hybrid conversion projects.

Why Buy a Used NSX Engine?

Cost Savings

New engines (if even available) from OEM manufacturers can cost upwards of $30,000 to $50,000, especially for the JNC1. A high-quality used or remanufactured engine can cost significantly less — usually 30–60% cheaper, depending on condition and source.

Availability for Restoration Projects

As first-gen NSXs age, the demand for C30A engines increases. If your NSX has suffered engine failure or you're restoring a project car, a used engine is often the only viable option.

Sustainability

Reusing engines reduces the need for new manufacturing, helping conserve resources and reduce environmental waste — a win for your wallet and the planet.

Where to Find a Reliable Acura NSX Engine for Sale

Here’s a breakdown of the most reliable sources for finding a C30A or JNC1 engine:

OEM and Certified Dealerships

While more expensive, buying through Acura or Honda dealerships (especially for newer JNC1 engines) ensures authenticity, quality, and in some cases, limited warranties.

Pros:

• Certified genuine parts
  
  

• Professional support and installation
  
  

• Reliable transaction process
  
  

Cons:

• High prices
  
  

• Limited availability, especially for discontinued engines like C30A
  
  

Specialty NSX Shops and Tuning Garages

Several independent performance shops and NSX specialists offer rebuilt or used engines, often sourced from parted-out vehicles or Japanese Domestic Market (JDM) auctions.

Notable Examples:

• ScienceofSpeed (USA)
  
  

• SOS Performance
  
  

• JDM Engine Depot
  
  

• Racing Parts USA
  
  

Pros:

• NSX-specific expertise
  
  

• Engines often tested or rebuilt
  
  

• May offer limited warranty
  
  

Cons:

• Can still be costly
  
  

• Requires due diligence and research
  
  

Online Auto Parts Marketplaces

Several platforms connect sellers of used engines with buyers:

Trusted Websites:

• Car-Part.com
  
  

• LKQ Online
  
  

• eBay Motors
  
  

• JDM Engine Zone
  
  

• EnginesForSale.org
  
  

• SwapMotors.com
  
  

Pros:

• Wide selection
  
  

• Easy to compare prices and conditions
  
  

• Convenient nationwide shipping
  
  

Cons:

• Quality can vary
  
  

• Risk of misrepresented listings
  
  

• No installation support
  
  

Enthusiast Forums and Classifieds

NSX forums and Facebook groups often have members selling engines from project cars, rebuilds, or swaps.

Recommended Communities:

• NSX Prime (nsxprime.com)
  
  

• Honda-Tech Forums
  
  

• Facebook Marketplace & NSX Enthusiast Groups
  
  

Pros:

• Direct from owners
  
  

• Better pricing
  
  

• Transparent history from trusted enthusiasts
  
  

Cons:

• No warranties
  
  

• Need to verify condition and compatibility yourself
  
  

Importers of JDM Engines

For C30A engines especially, many importers in the US source engines from Japan — often in excellent condition with low mileage due to stricter Japanese inspection laws.

Reliable Importers:

• JDM Engine Depot
  
  

• Nagoya Motors USA
  
  

• JDM California Motors
  
  

• Sunrise JDM
  
  

Pros:

• Access to lower-mileage engines
  
  

• Competitive pricing
  
  

• Engine packages often include transmission and accessories
  
  

Cons:

• Shipping costs
  
  

• Some engines may not meet US emissions standards
  
  

• Limited return policies
  
  

What to Look for When Buying a Used C30A or JNC1 Engine

1. Verify the Engine Code

Make sure you're getting the right engine variant:

• C30A – First-gen NSX (1990–1996)
  
  

• JNC1 – Second-gen NSX (2017–2022)
  
  

2. Check Mileage & Compression Test Results

Lower mileage is ideal, but what's more important is compression and leak-down tests. These confirm the internal health of the engine.

3. Request Service History or Seller Transparency

Ask for:

• Maintenance records
  
  

• Reason for engine removal
  
  

• Any known faults or rebuild history
  
  

4. Warranty & Return Policy

Reputable sellers will offer:

• 30–90 day warranty (sometimes more)
  
  

• Return options if the engine arrives damaged or misrepresented
  
  

5. Shipping & Crate Condition

Ensure the engine is securely crated and protected. Check shipping rates, insurance coverage, and delivery timeframes.

Expert Tips for Buying an NSX Engine

1. Don’t rush the purchase — take time to research and compare sellers.
   
   

2. Inspect before you buy — if possible, have the engine checked by a mechanic or ask for inspection videos.
   
   

3. Avoid non-matching VINs unless intentional — especially if you’re restoring a car for resale.
   
   

4. Plan for installation costs — engine swaps can cost $1,000–$5,000+ depending on labor and modifications.
   
   

5. Keep documentation — save all invoices, warranty terms, and shipping records.
   
   

Installation: DIY vs. Professional Shops

DIY Installers: If you have advanced mechanical experience, you might opt for a DIY swap, especially for the C30A.

Professional Install: Recommended for JNC1 engines due to the complexity of hybrid systems, electronic modules, and drivetrain syncing.

Trusted Acura service centers or NSX specialty shops can handle the swap with care.

Conclusion: Make the Right Move with Your NSX Engine Purchase

Whether you're breathing new life into a first-gen NSX or upgrading your second-gen machine, choosing the right engine is a decision that will define your car's future performance, value, and reliability.

By following this guide and researching carefully, you can confidently shop for a C30A engine for sale or a JNC1 engine for sale from trustworthy sources. Always prioritize condition, compatibility, and seller reputation — and don't be afraid to ask questions.

The Acura NSX is more than just a car — it’s a legacy. Make sure the engine you choose lives up to that name.