Precision Motorsport Engineering, CNC Manufacturing & Billet Performance Components

Billet component development, CNC machining, fabrication, and motorsport-focused engineering solutions designed for high-performance applications.

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Motorsport Engineering, Manufacturing & Track Support

From billet product development and CNC machining to motorsport wiring, suspension setup, fabrication, and trackside support, IRDR Motorsports delivers engineering-driven solutions built for real-world performance.


Proudly designed, engineered, and manufactured in the United States using precision CNC machining and premium materials.

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Precision Engineering

Engineered billet components built for high-performance applications.

Track-Proven Results

Built through real competition and performance development.

Complete Race Car Support

From fabrication and wiring to suspension and trackside support.

Integrated Performance Engineering

Designed, fabricated, and tested for real-world motorsport.

Featured Billet Components

Precision-machined performance components developed for motorsport and high-performance applications.

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Toyota 2JZ-GTE GE Dart Iron Eagle Engine Block – 11mm Head Studs

Toyota 2JZ-GTE GE Dart Iron Eagle Engine Block – 11mm Head Studs

Toyota 2JZ-GTE GE Dart Iron Eagle Engine Block – 11mm Head Studs
$4,499.00
$4,499.00
2JZ Block Machining Service for 1/2" Studs

2JZ Block Machining Service for 1/2" Studs

2JZ Block Machining Service for 1/2" Studs
$280.00
$280.00
ARP Head Stud Kit 1/2" 2JZ-GTE/GE Supra IS300 - ARP L19

ARP Head Stud Kit 1/2" 2JZ-GTE/GE Supra IS300 - ARP L19

ARP Head Stud Kit 1/2" 2JZ-GTE/GE Supra IS300 - ARP L19
$510.00
$510.00
ARP Main Stud Kit 2JZ-GTE/GE Supra IS300 - ARP2000

ARP Main Stud Kit 2JZ-GTE/GE Supra IS300 - ARP2000

ARP Main Stud Kit 2JZ-GTE/GE Supra IS300 - ARP2000
$165.00
$165.00
ACL Race 2JZ HX-STD Supra Main Bearings - Set 7

ACL Race 2JZ HX-STD Supra Main Bearings - Set 7

ACL Race 2JZ HX-STD Supra Main Bearings - Set 7
$155.00
$155.00
ACL Race 2JZ H-STD Supra Main Bearings - Set 7

ACL Race 2JZ H-STD Supra Main Bearings - Set 7

ACL Race 2JZ H-STD Supra Main Bearings - Set 7
$155.00
$155.00
ACL Race 2JZ HX-STD Supra Rod Bearings - Set 6

ACL Race 2JZ HX-STD Supra Rod Bearings - Set 6

ACL Race 2JZ HX-STD Supra Rod Bearings - Set 6
$90.00
$90.00
ACL Race 2JZ H-STD Supra Rod Bearings - Set 6

ACL Race 2JZ H-STD Supra Rod Bearings - Set 6

ACL Race 2JZ H-STD Supra Rod Bearings - Set 6
$90.00
$90.00

Designed. Programmed. Machined.

Unlike mass-produced imported performance parts, IRDR Motorsports products are designed, engineered, and manufactured in-house using real-world motorsport experience and precision CNC machining.

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