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The Vent Orifice Kit contains an o-ring plus the plastic piece that the screen is attached to. The ball is behind the plastic piece, so looking left to right you've got fuel bowl>>plastic piece with screen>>o-ring>>ball>>FPR housing.
I've read of other folks saying they didn't think they had a ball, and they were running without it. I really don't know how important the ball is, it's a check valve. Could the lack of the ball affect performance? I'd think *maybe*, since the screen clogging seems to affect performance.
Of course, the BEST solution...ditch the whole sordid mess and go with electric fuel. You'll never look back!!
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'94 F250 supercab 4x4, original owner, 4.10LS, DIY elec fuel, Tymar air intake, Adrenaline HPOP, Beans tunes on 4 position VA chip, VDO gauges (boost,pyro, outside temp), Ford digital AIC, DPPI downpipe, gutted EBPV and turbo pedestal mod, Con OFE clutch, add-a-leafs front and rear, Monroe Reflex shocks, Milemarker 449SS hubs, towing 25' Mallard travel trailer
coming soon: 6.0 IC
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