NHRA Accepted Products Table of Contents - NHRA.com

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NHRA Accepted ProductsI.FOR CLASSES LIMITED TO 600 CFM CARBURETORS:Applicable Class: SS/ESPart Primary Primary Secondary SecondaryManufacturer Number Throttle Bore Venturi Throttle Bore Venturi Applicable NotesHolley 1850 1.570" 1.277" * 1.570" 1.339" *Holley 2818 1.570" 1.277" * 1.570" 1.339" *Holley 4452 1.570" 1.277" * 1.570" 1.339" *Holley 4742 1.570" 1.277" * 1.570" 1.339" *Holley 4776 1.570" 1.277" * 1.570" 1.339" *Holley 6270 1.570" 1.277" * 1.570" 1.339" *Holley 6291 1.570" 1.277" * 1.570" 1.339" *Holley 6520 1.570" 1.277" * 1.570" 1.339" *Holley 6619 1.570" 1.277" * 1.570" 1.339" *Holley 6909 1.570" 1.277" * 1.570" 1.339" *Holley 6919 1.570" 1.277" * 1.570" 1.339" *Holley 6979 1.570" 1.277" * 1.570" 1.339" *Holley 6989 1.570" 1.277" * 1.570" 1.339" *Holley 7009 1.570" 1.277" * 1.570" 1.339" *Holley 7053 1.570" 1.277" * 1.570" 1.339" *Holley 7154 1.570" 1.277" * 1.570" 1.339" *Holley 7850 1.570" 1.277" * 1.570" 1.339" *Holley 7985 1.570" 1.277" * 1.570" 1.339" *Holley 7986 1.570" 1.277" * 1.570" 1.339" *Holley 7987 1.570" 1.277" * 1.570" 1.339" *Holley 8004 1.570" 1.277" * 1.570" 1.339" *Holley 8005 1.570" 1.277" * 1.570" 1.339" *Holley 8006 1.570" 1.277" * 1.570" 1.339" *Holley 9002 1.570" 1.277" * 1.570" 1.339" *Holley 9040 1.570" 1.277" * 1.570" 1.339" *Holley 9210 1.570" 1.277" * 1.570" 1.339" *Holley 9219 1.570" 1.277" * 1.570" 1.339" *Holley 9254 1.570" 1.277" * 1.570" 1.339" *Holley 9834 1.570" 1.277" * 1.570" 1.339" *Weber Any 2 @ 45 MM Any NA NA1. * = 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 114 1/14/2014
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
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NHRA Accepted ProductsTable of Cont
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CIDYEARPISTON#FACTORY HPMINIMUMCOMP
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CID YEAR PISTON#FACTORYHPNHRA Accep
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CIDYEARPISTON#FACTORY HPMINIMUMCOMP
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CID YEAR PISTON#307 68-73CP PISTONS
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CID YEAR PISTON#350 76-80CP Pistons
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CID YEAR PISTON#427 66-67TRWTRWSEAL
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CID YEAR PISTON# FACTORY HP135 83-8
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CID YEAR PISTON# FACTORY HP238 87-9
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CID YEAR PISTON# FACTORY HPNHRA Acc
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CID YEAR PISTON#FACTORYHPMINIMUMCOM
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CID YEAR PISTON# FACTORY HPMINIMUMC
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CID YEAR PISTON# FACTORY HPMINIMUMC
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CIDYEAR350 74-77VENOLIA 985VENOLIA
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NHRA Accepted ProductsNHRA Accepted
Page 64 and 65: HPENHRA Accepted ProductsNHRA Accep
Page 66 and 67: NHRA Accepted ProductsNHRA Accepted
Page 72 and 73: ROD MANUFACTURERNHRA Accepted Produ
Page 74 and 75: ROD MANUFACTURERNHRA Accepted Produ
Page 84 and 85: NHRA Accepted ProductsStock/Super S
Page 98 and 99: NHRA Accepted ProductsOil Retention
Page 100 and 101: FUEL MANUFACTURER/BLENDACCEPTED GAS
Page 116 and 117: NHRA Accepted ProductsIII. FOR CLAS
Page 118 and 119: NHRA Accepted ProductsV. FOR CLASSE
Page 120 and 121: NHRA Accepted ProductsVII. FOR CLAS
Page 122 and 123: NHRA Accepted ProductsIX. FOR CLASS
Page 124 and 125: NHRA Accepted ProductsXI.FOR CLASSE
Page 126 and 127: NHRA Accepted ProductsXIII.NHRA Acc
Page 130 and 131: CRANK MANUFACTURERNHRA Accepted Pro
Page 138 and 139: NHRA Accepted ProductsCLASSMSD 4223
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