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Precision Engine Components for Racing & Tuning

AD Racing Tech manufactures high-performance forged connecting rods, billet crankshafts, custom pistons, camshafts, and engine valves kits for motorsports, tuning, and OEM applications. Engineered in China, trusted globally.

AD Racing Tech Forged Connecting Rod
4340 Forged Steel

CNC Machined | ±1g Balanced | Shot Peened | Magnaflux Inspected

AD Racing Tech Manufacturing Facility

About AD Racing Tech

AD Racing Tech is a leading manufacturer of high-performance engine components based in China, specializing in forged connecting rods, billet crankshafts, custom pistons, camshafts, and complete engine valve kits.

With years of engineering expertise and advanced CNC machining capabilities, we serve performance enthusiasts, racing teams, and OEM partners worldwide. Our products are designed for durability, precision, and maximum power output under extreme conditions.

4340
High Tensile Steel
±1g
Weight Balanced
CNC
Precision Machined
Global
Export to 50+ Countries

Our Products

Premium forged and billet engine components engineered for high-performance applications across automotive, marine, and motorsports industries.

Billet 4340 Steel Crankshaft for Honda K24

Billet 4340 Crankshaft

For Honda K24 Engine | 102-106mm Stroke | CNC Forged Steel

  • 4340 Alloy Steel
  • Stroker Options
  • Precision Balanced
Forged 4340 Steel Mercedes M276 Connecting Rods

MERCEDES M276 Conrods

Custom Forged 4340 Steel | Racing & Tuning

  • CNC Machined
  • ±1g Balanced
  • Shot Peened Finish
Forged Piston for Subaru EJ20

Forged Piston EJ20

Subaru WRX STI | 92.50mm | CR 8.5:1

  • 4032 Aluminum
  • Moly Coating
  • Custom Dome Design
High Performance Camshaft for Toyota 2JZ

Camshaft 2JZGTE

272° Duration | Non-VVTi | Racing Profile

  • Billet Steel Core
  • High Lift & Duration
  • Custom Grinds Available
Engine Valves Kit for Toyota 2JZ

Valves Kit 2JZ

Intake & Exhaust | IN 13711-36030 | EX 13715-46020

  • Stainless Steel
  • High Temp Resistant
  • OEM Fitment
Head Studs Kit for VW EA888

Head Studs EA888

VW/Audi 2.0TFSI | High-Performance Kit

  • Grade 12.9 Steel
  • Torque to Yield
  • Reusable & Reliable
Adjustable Cam Gear for Toyota 1JZ/2JZ

Adjustable Cam Gear

Toyota 1JZ/2JZ VVTi | CNC Billet

  • 6-Bolt Adjustment
  • Laser Engraved Marks
  • Lightweight Design
Hydraulic Tappet for Audi/VW

Hydraulic Tappet

Audi/VW/Skoda/Seat | OEM 038109309A

  • Direct OEM Replacement
  • Noise-Free Operation
  • Durable Internal Design

Why Choose Us?

Engineering excellence, precision manufacturing, and global reliability define every component we produce.

Advanced Manufacturing

CNC machining, shot peening, magnaflux inspection, and heat treatment ensure maximum durability and precision.

Custom Engineering

Modify stroke, compression ratio, duration, lift, and weight. We build to your exact performance needs.

Quality Assured

Every component undergoes strict inspection for dimensional accuracy, balance, and material integrity.

Global Reach

Trusted by tuners and racers in over 50 countries. Fast shipping and responsive support.

50+
Countries Served
15,000+
Parts Shipped
4340
Steel Grade Standard
±1g
Rod Balance Tolerance

Frequently Asked Questions

What materials do you use for connecting rods?

We use high-tensile 4340 forged steel for all performance connecting rods. This material offers excellent strength-to-weight ratio, fatigue resistance, and durability under high RPM and boost conditions.

Can you customize pistons for my engine build?

Yes, we offer full customization including bore size, compression height, dome design, compression ratio, and skirt profile. We use high-silicon 4032 forged aluminum with molybdenum coating for reduced friction.

Do you provide balanced crankshaft and rod sets?

Yes, all billet crankshafts and forged connecting rods are precision balanced to within ±1 gram. Complete rotating assembly balancing services are also available upon request.

What is your minimum order quantity?

We offer flexible MOQs. For standard parts, we can supply single units. For custom engineering projects, MOQ depends on complexity but we accommodate prototyping and small batches.

Do you offer OEM replacement parts?

Yes, we manufacture high-performance replacements for OEM components including hydraulic tappets, fuel pumps, rocker arms, and camshaft gears with improved materials and longevity.

Contact Us

Ready to build your next high-performance engine? Reach out for quotes, technical support, or custom engineering.

Phone

+86 28 85360669

Visit Official Website

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