Moroso 21582 Moroso BBC Mark IV 4 Pickup Dry Sump 7-1/2in Deep Aluminum Oil Pan (w/o Starter Notch)Moroso 21582 Moroso BBC Mark IV 4 Pickup Dry Sump 7 1 2in Deep Aluminum Oil Pan (w o Starter Notch) Oil Pan, BBC Mark IV, 4 P U, Dry Sump, No Starter Notch, Aluminum Aluminum, Dry Sump, 7 1 2" Deep Engine Application: Big Block Chevrolet Mark IV for use with reverse mount or driver side starter applications Fits: Competition Eliminator, Top Dragster, Top Sportsman, Super Comp, Super Gas & Other Bracket Cars Clears 5. 00" stroke with most aluminum rods