Seller notes

Top quality Holley polished aluminum primary metering block for Holley model 4150 & 4160 performance carburetors such as 3310, 4776, 4777, 4778, 4779, 4780, 83310 etc. and other similar AED, Demon, QFT, and other carbs. This great looking metering block is the latest design casting with stiffening ribs to help prevent warping and promote optimum gasket sealing, and has provision for ported distributor vacuum. Please see our ebay store for a complete selection of parts for Holley carbs!...

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