BBK Power Plus 58mm Twin Throttle Body — Fits 92-93 GM LT1 5.7L

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SKU: BBK1542
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About BBK

BBK engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full BBK lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Maximum Airflow for Your LT1 Engine

Take your 1992-1993 GM LT1 5.7L performance to the limit with the BBK Power Plus 58mm Twin Throttle Body. Engineered for those who want the absolute most out of their intake system, this 58mm unit offers significantly increased airflow compared to the restrictive stock throttle body. By allowing your engine to ingest more air, you will see immediate improvements in horsepower, torque, and overall throttle response.

Built for Performance

  • High-Flow Design: 58mm bores provide maximum air intake capacity for modified engines.
  • Quality Construction: CNC machined from 356 aluminum casting for superior durability.
  • Reliable Components: Features double-sealed bearings and O-ringed shafts to prevent vacuum leaks.
  • Direct Fit: Designed to replace your factory throttle body seamlessly while retaining OEM-style linkages.

The BBK Power Plus series is designed to work with your vehicle's factory computer, meaning no complex tuning is required for installation. This makes it an ideal upgrade for both daily drivers and weekend track cars. Whether you are behind the wheel of a Corvette, Camaro, or Firebird, you can trust the quality and performance of BBK. Enhance your engine's breathing and feel the difference on the road. Find this and other performance parts at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1992 Chevrolet Camaro Z28 Heritage Edition
1992-1993 Chevrolet Camaro Z28
1993 Chevrolet Camaro Indianapolis 500 Pace Car
1992-1993 Chevrolet Corvette Base
1992-1993 Chevrolet Corvette ZR-1
1993 Chevrolet Corvette 40th Anniversary Edition
1992 Pontiac Firebird Trans Am GTA
1992-1993 Pontiac Firebird Formula
1992-1993 Pontiac Firebird Trans Am

Product Details

Product Description
Part Numbers
Sizing & Fit

About BBK

BBK engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full BBK lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Maximum Airflow for Your LT1 Engine

Take your 1992-1993 GM LT1 5.7L performance to the limit with the BBK Power Plus 58mm Twin Throttle Body. Engineered for those who want the absolute most out of their intake system, this 58mm unit offers significantly increased airflow compared to the restrictive stock throttle body. By allowing your engine to ingest more air, you will see immediate improvements in horsepower, torque, and overall throttle response.

Built for Performance

  • High-Flow Design: 58mm bores provide maximum air intake capacity for modified engines.
  • Quality Construction: CNC machined from 356 aluminum casting for superior durability.
  • Reliable Components: Features double-sealed bearings and O-ringed shafts to prevent vacuum leaks.
  • Direct Fit: Designed to replace your factory throttle body seamlessly while retaining OEM-style linkages.

The BBK Power Plus series is designed to work with your vehicle's factory computer, meaning no complex tuning is required for installation. This makes it an ideal upgrade for both daily drivers and weekend track cars. Whether you are behind the wheel of a Corvette, Camaro, or Firebird, you can trust the quality and performance of BBK. Enhance your engine's breathing and feel the difference on the road. Find this and other performance parts at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1992 Chevrolet Camaro Z28 Heritage Edition
1992-1993 Chevrolet Camaro Z28
1993 Chevrolet Camaro Indianapolis 500 Pace Car
1992-1993 Chevrolet Corvette Base
1992-1993 Chevrolet Corvette ZR-1
1993 Chevrolet Corvette 40th Anniversary Edition
1992 Pontiac Firebird Trans Am GTA
1992-1993 Pontiac Firebird Formula
1992-1993 Pontiac Firebird Trans Am

Product Details

Product Description

About BBK

BBK engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full BBK lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Maximum Airflow for Your LT1 Engine

Take your 1992-1993 GM LT1 5.7L performance to the limit with the BBK Power Plus 58mm Twin Throttle Body. Engineered for those who want the absolute most out of their intake system, this 58mm unit offers significantly increased airflow compared to the restrictive stock throttle body. By allowing your engine to ingest more air, you will see immediate improvements in horsepower, torque, and overall throttle response.

Built for Performance

  • High-Flow Design: 58mm bores provide maximum air intake capacity for modified engines.
  • Quality Construction: CNC machined from 356 aluminum casting for superior durability.
  • Reliable Components: Features double-sealed bearings and O-ringed shafts to prevent vacuum leaks.
  • Direct Fit: Designed to replace your factory throttle body seamlessly while retaining OEM-style linkages.

The BBK Power Plus series is designed to work with your vehicle's factory computer, meaning no complex tuning is required for installation. This makes it an ideal upgrade for both daily drivers and weekend track cars. Whether you are behind the wheel of a Corvette, Camaro, or Firebird, you can trust the quality and performance of BBK. Enhance your engine's breathing and feel the difference on the road. Find this and other performance parts at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1992 Chevrolet Camaro Z28 Heritage Edition
1992-1993 Chevrolet Camaro Z28
1993 Chevrolet Camaro Indianapolis 500 Pace Car
1992-1993 Chevrolet Corvette Base
1992-1993 Chevrolet Corvette ZR-1
1993 Chevrolet Corvette 40th Anniversary Edition
1992 Pontiac Firebird Trans Am GTA
1992-1993 Pontiac Firebird Formula
1992-1993 Pontiac Firebird Trans Am

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