Bellhousing, QuickTime, 153 tooth SB/BB-Chevy, V6-V8 to Muncie/Richmond/Saginaw/Falcon/Bert/Jericho/Brinn/Chevy TKO & TKX/ BW-T10 transmission. 9:00 fork opening, Built from high-grade steel – Work hardens to over 80,000 PSI strength. Over 2 times the strength of any other steel bellhousing.