Performance Ignition Coil Kit 3 Piece Set for Buick Chevrolet Pontiac V6 Cars. Kit Includes:(3) Performance Ignition Coils. Reference Number(s): 1103608; DR-39; DR39. TRUST & COMPATIBILITY: For over 25 years, TRQ has been the premium choice for direct-fit replacement parts. EASE OF INSTALLATION: Save time and effort with pre-assembled components designed as direct replacements for the original equipment, ensuring precise fit and eliminating the need for modifications.