S 009 pump, '36MM' throttle bodies. E system 010 pump, '32MM' throttle bodies. Both 'measured at bottom of TB's'. Consider both as core in need of rebuild. S system includes pump, TB's, stacks with horns, fuel lines, cross shaft, pump mount. E system pump, stacks with horns and TB's only. S MFI as shown in pic $850.00 (SOLD), E MFI as shown pic $425.00 (SOLD). Also have extra 010 pump $200.00 (SOLD) All + actual shipping. All pumps turn freely, butterflys open and close but some need a bit of help getting there . If you need more info or pics advise.