Key Features • Pacemaker performance headers for Holden Commodore VB through VS models• Manufactured from mild steel• Designed to suit a range of Holden V8 and LS conversion applications• Engine and transmission-specific header configurations• Multiple primary tube sizes available• Vehicle-specific fitment across early Commodore platforms• 2-year Pacemaker manufacturer warranty• Professional installation recommended Commodore Models :- VB, VC, VH, VK, VL, VN, VP, VR & VS IMPORTANT INFORMATION - PLEASE READ VB to VK 308 - Will fit Hi Torque starter motors VB to VK 304 EFI Heads Conversion - Fits VN-VS 5 Speed, Trimatic, Turbo 350/400/700, Getrag 5 Speed, Top Loader, Toyota Supra 5 Speed with Hatfield Bellhousing and cross member. Does NOT fit manual steering K-Frame! Will fit VN-VS Racks. VL 304 Carby - Auto ONLY. Will fit high torque starter motor. VN to VS Calais/Caprice/Stateman 304 EFI 1 5/8" Auto - Will NOT fit with knock sensor. Comes with Y-Piece VN to VS 304 EFI 1 5/8" Manual - Will fit both bosch starter motors. Will not fit 6 Speed manual. Will not fit Series III VS ute with Getrag 5 speed manual. Y-Piece included as pictured. VN to VS 304 EFI 1 3/4" Manual/Auto - Will fit 6 Speed manual. Will NOT fit with variable ration steering found in Calais, Caprice, Stateman. Do not come with Y-Piece. VB to VS LS 1 3/4" Auto/Manual - For VB to VL it is advised to use Manual Steering Rack with Power Steering K-Frame. Power steering can be used with slight modifications i.e adjust steel lines or use a different series rack & slot the holes to allow lateral movement for steering knuckle clearance. Best fitment for VB to VL is to use VN-VS V8 K-frame.