Holley Carburetor Spacer - 0.5 in Thick - 4 Hole - Square Bore - Phenolic - Black HK-QM Connect BT2

Connect BT2

Mopar A-Body / B-Body 1965-72

Vertical Flow

2-1/6 in Nut

Holley Carburetor Spacer - 0.5 in Thick - 4 Hole - Square Bore - Phenolic - Black HK-QM Connect BT2Adapters & Spacers Phenolic Insulators Spacers 1 2" height, 4150 flange, 1 9 16" bores 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 products also