ID725, for 93-97 Firebird / LT1 applications. 14mm (grey) adapters, set of 8.
 

ID725, for 98-02 Firebird / LS1-LS6 applications. 14mm (grey) adapters, set of 8. 

ID725, for 93-97 Trans Am / LT1 applications. 14mm (grey) adapters, set of 8.
 

ID725, for 98-02 Firebird / LS1-LS6 applications. 14mm (grey) adapters, set of 8. 

ID725, for 89 Turbo T/A applications. LK9, 14mm (purple) adapters, set of 6
 

ID725, for GTO 2004 / LS1 applications. 14mm (grey) adapters, set of 8 
 

ID725, for GTO 05-06 / LS2 applications. Standard (no adapter). Orange lower o-ring. Set of 8. 

ID725, for G8 / LS2 applications. Standard (no adapter). Orange lower o-ring. Set of 8.

ID725, for G8 GT / LS3 applications. Standard (no adapter), Orange lower o-ring, set of 8 . 

(will require 14mm fuel rail spacer for proper fitment)