Holley Metering Block Gasket - For Model 4150 BR30017 The studs are sold in

The studs are sold in 4 or 5 packs and are cadmium plated for extra durability

The FAST Crank Trigger is a magnet free device with a durable wheel constructed from high strength steel

Exhaust - 2001-2010 Duramax

Gasket / Hardware Included

Holley Metering Block Gasket - For Model 4150 BR30017 The studs are sold inHolley Metering Block Gasket 108 100 For Model 4150 3 Circuit 2 Per Package 100 Bulk Available 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