166 Buick/Oldsmobile/Pontiac Streetflex Flexplate

– 6 For 1/2″ Bolt
– Buick/Oldsmobile/Pontiac 2-Piece Rear Main
– Welded 166 Ring Gear

Boninfante’s STREETFLEX flexplates feature:
• Multi-piece design with welded ring gear and welded billet adapter hub (where designated)
• Manufactured from special, high-strength US steel
• Precision automated welding process
• Beautiful matte black finish
• Multiple torque converter bolt patterns
• Laser marked
• Tested to 11,000 RPM which exceeds SFI safety standard 29.2
• Streetflex suggested rated up to 1,500hp