Air Cleaner Base 14in Black zzr12 Throttle Body - Billet 90

Throttle Body - Billet 90 mm Taper Bore - 4-Bolt Stock Flange - 90 mm Single Blade - Aluminum - Black Anodized - GM LS-Series - Each

0 mm Ring Groove - Minus 11

Oxygen Sensor - Single or 4 Channel - Replacement - Racepak - Each

(B) 70-752

Air Cleaner Base 14in Black zzr12 Throttle Body - Billet 90Air Cleaner Base 14 in Round 5 1 8 in Carb Flange Drop Base Lightweight Aluminum Black Paint Each Dimension is the distance from bottom of this air cleaner base to carb neck sealing flange with spacer listed. OD is 14. 25 in with a 1. 25 in flange. 1 2 spacer places base 1 1 8 below carb neck 1 spacer places base 5 8 below carb neck. 1 1 2 spacer places base 1 8 below carb neck. 2 spacer places base 3 8 above carb neck.