BBK 85-97 GM 305/350 LT1 Twin 58mm Throttle Body Gasket Kit

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SKU: BBK1584
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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

Ensure a Perfect Seal with BBK LT1 Gasket Kits

Maintaining a leak-free intake system is essential for the performance of your GM LT1 engine. The BBK 85-97 GM 305/350 LT1 Twin 58mm Throttle Body Gasket Kit provides the high-quality seal required for twin 58mm throttle body setups. Over time, original gaskets can degrade, causing vacuum leaks that impact idle quality and engine efficiency. This kit is the ideal solution for restoring your intake system's integrity.

Why Choose This Gasket Kit?

  • Premium Sealing Material: Made from high-quality gasket materials that resist heat and prevent leaks.
  • Precision Fit: Specifically designed for twin 58mm throttle bodies on GM 305 and 350 LT1 engines.
  • Essential Maintenance: Recommended for use whenever you service or replace your throttle body.
  • Reliability: These are the same premium gaskets included with BBK’s performance throttle bodies, ensuring a perfect match.

Compatibility

This kit fits a wide range of classic GM performance vehicles from 1985 to 1997, including the Chevrolet Camaro, Corvette, Impala SS, and Pontiac Firebird. Whether you are performing a performance upgrade or routine maintenance, these gaskets provide the peace of mind that your intake system is properly sealed.

Don't let a small leak cause big performance issues. Trust in the quality of BBK Performance components to keep your GM muscle car running at its best. Find all your automotive gasket needs at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1994-1996 Buick Commercial Chassis Base
1994-1995 Buick Roadmaster Base
1994-1995 Buick Roadmaster Estate Wagon
1994-1995 Buick Roadmaster Limited
1996 Buick Roadmaster Collector's Edition
1996 Buick Roadmaster Estate Wagon Collector's Edition
1985-1986 Chevrolet Camaro Berlinetta
1985-1987 Chevrolet Camaro Z28
1985-1990 Chevrolet Camaro Iroc-Z
1987 Chevrolet Camaro LT
1988 Chevrolet Camaro Base
1989-1992 Chevrolet Camaro RS
1991-1997 Chevrolet Camaro Z28
1992 Chevrolet Camaro Z28 Heritage Edition
1992 Chevrolet Camaro RS Heritage Edition
1993 Chevrolet Camaro Indianapolis 500 Pace Car
1994 Chevrolet Caprice Classic LS
1994-1996 Chevrolet Caprice Classic
1994 Chevrolet Commercial Chassis Base
1989-1996 Chevrolet Corvette Base
1990-1995 Chevrolet Corvette ZR-1
1995 Chevrolet Corvette Indianapolis 500 Pace Car
1996 Chevrolet Corvette Collector's Edition
1996 Chevrolet Corvette Grand Sport
1994-1996 Chevrolet Impala SS
1985-1986 Pontiac Firebird S/E
1985-1997 Pontiac Firebird Trans Am
1989 Pontiac Firebird Trans Am GTA SE
1989-1992 Pontiac Firebird Trans Am GTA
1989-1997 Pontiac Firebird Formula
1994 Pontiac Firebird Trans Am GT

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

Ensure a Perfect Seal with BBK LT1 Gasket Kits

Maintaining a leak-free intake system is essential for the performance of your GM LT1 engine. The BBK 85-97 GM 305/350 LT1 Twin 58mm Throttle Body Gasket Kit provides the high-quality seal required for twin 58mm throttle body setups. Over time, original gaskets can degrade, causing vacuum leaks that impact idle quality and engine efficiency. This kit is the ideal solution for restoring your intake system's integrity.

Why Choose This Gasket Kit?

  • Premium Sealing Material: Made from high-quality gasket materials that resist heat and prevent leaks.
  • Precision Fit: Specifically designed for twin 58mm throttle bodies on GM 305 and 350 LT1 engines.
  • Essential Maintenance: Recommended for use whenever you service or replace your throttle body.
  • Reliability: These are the same premium gaskets included with BBK’s performance throttle bodies, ensuring a perfect match.

Compatibility

This kit fits a wide range of classic GM performance vehicles from 1985 to 1997, including the Chevrolet Camaro, Corvette, Impala SS, and Pontiac Firebird. Whether you are performing a performance upgrade or routine maintenance, these gaskets provide the peace of mind that your intake system is properly sealed.

Don't let a small leak cause big performance issues. Trust in the quality of BBK Performance components to keep your GM muscle car running at its best. Find all your automotive gasket needs at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1994-1996 Buick Commercial Chassis Base
1994-1995 Buick Roadmaster Base
1994-1995 Buick Roadmaster Estate Wagon
1994-1995 Buick Roadmaster Limited
1996 Buick Roadmaster Collector's Edition
1996 Buick Roadmaster Estate Wagon Collector's Edition
1985-1986 Chevrolet Camaro Berlinetta
1985-1987 Chevrolet Camaro Z28
1985-1990 Chevrolet Camaro Iroc-Z
1987 Chevrolet Camaro LT
1988 Chevrolet Camaro Base
1989-1992 Chevrolet Camaro RS
1991-1997 Chevrolet Camaro Z28
1992 Chevrolet Camaro Z28 Heritage Edition
1992 Chevrolet Camaro RS Heritage Edition
1993 Chevrolet Camaro Indianapolis 500 Pace Car
1994 Chevrolet Caprice Classic LS
1994-1996 Chevrolet Caprice Classic
1994 Chevrolet Commercial Chassis Base
1989-1996 Chevrolet Corvette Base
1990-1995 Chevrolet Corvette ZR-1
1995 Chevrolet Corvette Indianapolis 500 Pace Car
1996 Chevrolet Corvette Collector's Edition
1996 Chevrolet Corvette Grand Sport
1994-1996 Chevrolet Impala SS
1985-1986 Pontiac Firebird S/E
1985-1997 Pontiac Firebird Trans Am
1989 Pontiac Firebird Trans Am GTA SE
1989-1992 Pontiac Firebird Trans Am GTA
1989-1997 Pontiac Firebird Formula
1994 Pontiac Firebird Trans Am GT

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

Ensure a Perfect Seal with BBK LT1 Gasket Kits

Maintaining a leak-free intake system is essential for the performance of your GM LT1 engine. The BBK 85-97 GM 305/350 LT1 Twin 58mm Throttle Body Gasket Kit provides the high-quality seal required for twin 58mm throttle body setups. Over time, original gaskets can degrade, causing vacuum leaks that impact idle quality and engine efficiency. This kit is the ideal solution for restoring your intake system's integrity.

Why Choose This Gasket Kit?

  • Premium Sealing Material: Made from high-quality gasket materials that resist heat and prevent leaks.
  • Precision Fit: Specifically designed for twin 58mm throttle bodies on GM 305 and 350 LT1 engines.
  • Essential Maintenance: Recommended for use whenever you service or replace your throttle body.
  • Reliability: These are the same premium gaskets included with BBK’s performance throttle bodies, ensuring a perfect match.

Compatibility

This kit fits a wide range of classic GM performance vehicles from 1985 to 1997, including the Chevrolet Camaro, Corvette, Impala SS, and Pontiac Firebird. Whether you are performing a performance upgrade or routine maintenance, these gaskets provide the peace of mind that your intake system is properly sealed.

Don't let a small leak cause big performance issues. Trust in the quality of BBK Performance components to keep your GM muscle car running at its best. Find all your automotive gasket needs at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1994-1996 Buick Commercial Chassis Base
1994-1995 Buick Roadmaster Base
1994-1995 Buick Roadmaster Estate Wagon
1994-1995 Buick Roadmaster Limited
1996 Buick Roadmaster Collector's Edition
1996 Buick Roadmaster Estate Wagon Collector's Edition
1985-1986 Chevrolet Camaro Berlinetta
1985-1987 Chevrolet Camaro Z28
1985-1990 Chevrolet Camaro Iroc-Z
1987 Chevrolet Camaro LT
1988 Chevrolet Camaro Base
1989-1992 Chevrolet Camaro RS
1991-1997 Chevrolet Camaro Z28
1992 Chevrolet Camaro Z28 Heritage Edition
1992 Chevrolet Camaro RS Heritage Edition
1993 Chevrolet Camaro Indianapolis 500 Pace Car
1994 Chevrolet Caprice Classic LS
1994-1996 Chevrolet Caprice Classic
1994 Chevrolet Commercial Chassis Base
1989-1996 Chevrolet Corvette Base
1990-1995 Chevrolet Corvette ZR-1
1995 Chevrolet Corvette Indianapolis 500 Pace Car
1996 Chevrolet Corvette Collector's Edition
1996 Chevrolet Corvette Grand Sport
1994-1996 Chevrolet Impala SS
1985-1986 Pontiac Firebird S/E
1985-1997 Pontiac Firebird Trans Am
1989 Pontiac Firebird Trans Am GTA SE
1989-1992 Pontiac Firebird Trans Am GTA
1989-1997 Pontiac Firebird Formula
1994 Pontiac Firebird Trans Am GT

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