NHRA Accepted Products Table of Contents - NHRA.com

NHRA Accepted ProductsII. FOR CLASSES LIMITED TO 750 CFM CARBURETORS:Applicable Classes:SS/BS, SS/CS, SS/DS, SS/TB, SS/TC, SS/TD, C/ED, A/SR, B/SR, C/SR, B/EA, C/EA, D/EA, E/SM,E/SMA, G/SM, G/SMAPart Primary Primary Secondary SecondaryManufacturer Number Throttle Bore Venturi Throttle Bore Venturi Applicable NotesHolley 2926 1.688" 1.402" * 1.688" 1.402" *Holley 2927 1.688" 1.402" * 1.688" 1.402" *Holley 3259 1.688" 1.402" * 1.688" 1.402" *Holley 3300 1.688" 1.402" * 1.688" 1.402" *Holley 3301 1.688" 1.402" * 1.688" 1.402" *Holley 3310 1.688" 1.402" * 1.688" 1.463" *Holley 3977 1.688" 1.402" * 1.688" 1.402" *Holley 4118 1.688" 1.402" * 1.688" 1.402" *Holley 4239 1.688" 1.402" * 1.688" 1.402" *Holley 4779 1.688" 1.402" * 1.688" 1.402" *Holley 6109 1.688" 1.402" * 1.688" 1.402" *Holley 8156 1.688" 1.402" * 1.688" 1.402" *Holley 9379 1.688" 1.402" * 1.688" 1.402" *Holley 9645 1.688" 1.402" * 1.688" 1.402" *Barry Grant 140201DR 1.688" 1.402" * 1.688" 1.402" *Quick Fuel SSR-7556 1.688" 1.402" * 1.688" 1.402" *Quick Fuel SSR-780 M 1.688" 1.402" * 1.688" 1.463" *1. * = All venturi dimensions include the .025"maximum allowance.2. Minimum Throttle shaft diameter at thinnest pointis .085". Minimum throttle plate thickness atthinnest point is .040".3. For all carburetors used in these classesmodifications are limited to removing the chokeplate, shaft, and operating mechanism; replacingboosters, jets, needles and seats, acceleratorpumps, and squirters; replacing or blocking powervalvres, replacing or modifying float assemblies andbaffles; resizing existing fuel and air bleedpassages; drilling idle holes in the primary throttleplates; and polishing any surfaces. The originalbodies, base plates, float bowls, and meteringblocks are required.Page 115 1/14/2014