4x 14mm to 14mm injector extension / adapter – EFI Parts
Bottom adapters and spacers for injectors - Finjector.com
Injector Adapter Kit – CJR Performance
Single 300ZX Injector Adapter - New Style Injector to Early Fuel Rail - Z1 Motorsports - Performance OEM and Aftermarket Engineered Parts Global Leader In 300ZX 350Z 370Z G35 G37 Q50 Q60