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Vehicle Info NeededHOLLEYPART NUMBER: 510-134-21
134-21 Secondary Metering Plate Main Hole: .081"
$3567
Ships on 09/09/2026
Lowest Price GuaranteeSecondary Metering Plates
- Secondary Metering Plate
- Main Hole: .081''
- Idle Hole: .040''
- Secondary Metering Plates
- Many Holley carburetors use a secondary metering plate with drilled restrictions rather than a secondary metering block with removable jets. When recalibrating the secondary side of such a carb, the secondary metering plate must be changed.
Part TypeCarburetor Metering Plate
Product LineHolley Secondary Metering Plates
BrandHOLLEY
Package Height0.8
Package Width5.5
Package Length7.7
Weight0.15 PG
Part CategoryPerformance Parts
Gaskets IncludedNo
QuantitySold individually
Part FitmentSemi Universal
Jets IncludedNo
Vendor Part Number134-21
Package Qty1
Package TypeEA
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