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The 12-800 features improved hot fuel handling capabilities and was designed to greatly reduce the negative effects of heated fuel now common with many of today's pump gas blends
Metering Block
multi-gauge touchscreen display on the market
Body Clips for 71-75 B and E Body 3/8
Dump style exit improves ground clearance and beter departure angles when driving off-road
950CFM Ultra XP Carburetor - 0-80845HBX exhaust-cutouts The 12-800 features improved hotOverview: Xtreme Performance Holley Ultra XP carburetors! Ultra XP carbs are up to 38% lighter than our traditional race carbs, have fuel capacity that is 20% greater and 30 other new features! They're available in our all new Hard Core Gray hard coat anodized finish with Black billet for improved corrosion protection. They're also available in natural tumble polished aluminum with your choice of Black or Red metering blocks and base plate. The
