Fuel Injector Clinic 1200cc High Impedance Fuel Injector Set for 1983-1986 Buick Regal T-Type & 1984-1987 Buick Grand National (IS309-1200H)
Take your turbocharged Buick V6 to the next level with the Fuel Injector Clinic IS309-1200H 1200cc High Impedance Fuel Injector Set. Designed specifically for the legendary Buick Regal T-Type and Grand National, this matched set of six injectors delivers the fuel volume and precision needed for today's high-horsepower street and race combinations. Producing approximately 20 percent more flow than Fuel Injector Clinic's 1000cc injectors, the 1200cc injectors provide additional headroom for aggressive boost levels, E85 conversions, and serious performance builds while maintaining excellent drivability.
Built using advanced high impedance ball and seat injector technology, these injectors offer exceptional linearity and superior short pulse width repeatability, making idle quality and part-throttle tuning remarkably smooth for an injector of this size. Every injector is individually serial numbered and matched using Fuel Injector Clinic's proprietary Data Match Technology, with a detailed Data Match Sheet included to provide injector-specific flow and latency values for accurate ECU calibration.
Formerly sold as IS309-1100H, the updated IS309-1200H flows approximately 20 percent more fuel while retaining the excellent tuning characteristics Fuel Injector Clinic injectors are known for. To ensure maximum reliability, Fuel Injector Clinic uses brand-new injectors rather than remanufactured cores. Because of this, these injectors require a connector conversion. Included injector pigtails allow you to solder new connectors onto the factory harness, or optional plug-and-play adapter harnesses can be purchased to eliminate cutting or soldering.
Quick Specs
- Part Number: IS309-1200H
- Previous Part Number: IS309-1100H
- Injector Flow Rate: 1200cc/min
- Approximately 20 percent more flow than FIC 1000cc injectors
- Injector Quantity: 6
- High impedance (saturated) ball and seat injectors
- Top-feed injector design
- Flow matched using Fuel Injector Clinic Data Match Technology
- Each injector individually serial numbered
- Detailed Data Match Sheet with flow and latency values included
- Flow tested at 43.5 PSI (3 Bar) using CF-16B calibration fluid at 90 degrees Fahrenheit
- Application-specific O-rings included
- Injector pigtails included for wiring conversion
- Optional plug-and-play adapter harnesses available separately
- Lifetime warranty against manufacturing defects
Features
- Designed specifically for turbocharged Buick Regal T-Type and Grand National applications
- 1200cc high impedance injectors provide substantial fuel capacity for high-horsepower combinations
- Approximately 20 percent greater flow than Fuel Injector Clinic's 1000cc injectors
- Excellent injector linearity for precise fuel delivery
- Superior short pulse width repeatability for smoother idle and improved drivability
- Fuel Injector Clinic Data Match Technology provides industry-leading injector consistency
- Each injector is individually serial numbered with detailed calibration data
- Brand-new injectors used instead of remanufactured cores for maximum reliability
- Includes injector pigtails for wiring harness conversion
- Optional plug-and-play adapter harnesses eliminate cutting and soldering
- Backed by Fuel Injector Clinic's lifetime warranty against manufacturing defects
Fitment
- 1983 Buick Regal T-Type
- 1984 Buick Regal T-Type
- 1985 Buick Regal T-Type
- 1986 Buick Regal T-Type
- 1984 Buick Grand National
- 1985 Buick Grand National
- 1986 Buick Grand National
- 1987 Buick Grand National
FAQs
Will these injectors plug directly into my factory wiring harness?
No. Because Fuel Injector Clinic uses brand-new injectors instead of remanufactured factory-style cores, a connector conversion is required. Injector pigtails are included for soldering into the factory harness, while optional plug-and-play adapter harnesses are available if you prefer not to modify the original wiring.
Why was the part number changed from IS309-1100H?
The IS309-1200H replaces the previous IS309-1100H injector set and provides approximately 20 percent more fuel flow while maintaining the outstanding idle quality, drivability, and tuning characteristics Fuel Injector Clinic injectors are known for.
Why Buy From Beefcake Racing?
When you're building a high-performance turbo Buick, every component matters. Beefcake Racing proudly offers genuine Fuel Injector Clinic products backed by competitive pricing, fast shipping, and knowledgeable technical support. Whether you're upgrading a street-driven Grand National or building an all-out drag car, we're here to help you choose the right fueling solution for your combination.
Need help selecting the correct injector size for your Buick build?
Email: sales@beefcakeracing.com
Phone: 1-855-827-7223
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