Allstar Performance 168 Tooth Standard Flexplate - SB Chevy Fuel Pumps Regulators & Components The reason for spread port

The reason for spread port heads is to achieve additional cooling in the center of the head where the heat concentration is greatest

1966-1967 Jeep Dispatcher

Installs easily with included eyebolts

1960-1960 Chevrolet Corvair

Allstar Performance 168 Tooth Standard Flexplate - SB Chevy Fuel Pumps Regulators & Components The reason for spread portFlexplates transfer engine power to the transmission, include the starter ring gear, and have dual (10 3 4" and 11 1 2") converter bolt patterns unless specified. SFI flexplates meet SFI 29. 1 specifications including . 035" thicker material than stock OE plates, starter ring gears welded on both sides, and a gold zinc chromate finish. 153 tooth flexplates measure approximately 12 7 8 in diameter. 168 tooth flexplates measure approximately 14 1 8 in