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rubber breather grommets and four hose clamps
1985-1995 GMC K2500
Resistant to under vehicle fluid oils
Rear End Cover Mount
Extra connectors and wiring have been added to more easily support a 4-headlight system without an additional add-on purchase
Holley Secondary Metering Plate - Main Hole - 0.073 H777C04XXL rubber breather grommets and fourHolley Secondary Metering Plate 134 39 Main Hole 0. 073 Idle Hole 0. 029 Secondary Metering Plates Holley has been the undisputed leader in fuel systems for over 100 years. Holley carburetors powered every NASCAR Cup team and nearly every NHRA Pro Stock champion for four decades. Now, Holley EFI products power these cars and are dominating the performance world. Holley products for GM's popular LS engine are dominating the LS scene as well. Holley's