NHRA Accepted Products Table of Contents - NHRA.com

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NHRA Accepted ProductsStock/Super Stock Cylinder Head VolumesUpdated Nov 26, 2013Highlighted items designate recently added since last revisionHead #IntakeExhaustNotesCC's Max CC's Max Manufacturer62 165 152 Pontiac64 156 150 Pontiac66 148 144 Pontiac96 165 162 *20 Pontiac197 172 156 Pontiac16 188 182 *24 Pontiac216 188 182 Pontiac346 151 140 Pontiac614 184 162 Pontiac670 165 152 Pontiac722 187 162 Pontiac796 164 117 Pontiac7F6 176 161 PontiacSame runner cc's, chamberEdelbrock # 60587 cc's, valve sizes as headPontiacAlum head replacing, intake & exhaust12 Ports @ 142.0 (144.0) and 2 @ 158.02 Canadian 173.0 and 125.034567891011NotesSmall-plug headHigh Riser1 Port @ 85.0 and 2 @ 65.02 Ports @ 158.0 and 2 @ 146.02 Ports @ 166.0 and 2 @ 154.0Late model aluminum GM head.Large Valve HeadLarge Valve 2.02, Small-block HeadW/EGR holes 2 ports @ 119.0 & 2 @Page 94 1/14/2014
NHRA Accepted ProductsStock/Super Stock Cylinder Head VolumesHead #Updated Nov 26, 2013Highlighted items designate recently added since last revisionIntakeExhaustNotesCC's Max CC's Max Manufacturer1283.0 outer, 77.0 inner13Medium Riser ('66-'67)14Center Ports @ 132.0Center Ports @ 127.0Medium Riser "SK" ('66-'67)'64 260 Ford383/440, Open ChamberReplacement Cobra Jet Head.15161718192021All heads have "R" cast over one end2 Ports @ 135.0 (139.0), 2 Center Ports @148.0 (152.0)22Cast Iron LT1 Head (Impala, Roadmaster,etc.)23F3ZE, F4ZE Same volumes as F1ZE2473-74 455SD 290 hp round port25Big-block Chevrolet26Small Block Chevrolet LS1274.3L V-8 265 cid281969 390/340 horsepower engine29 09/10 450/426 Gen3 HemiPage 95 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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Page 56 and 57: CID YEAR PISTON# FACTORY HPMINIMUMC
Page 58 and 59: CID YEAR PISTON# FACTORY HPMINIMUMC
Page 60 and 61: CIDYEAR350 74-77VENOLIA 985VENOLIA
Page 62 and 63: NHRA Accepted ProductsNHRA Accepted
Page 64 and 65: HPENHRA Accepted ProductsNHRA Accep
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 114 and 115: NHRA Accepted ProductsI.FOR CLASSES
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
Page 140 and 141: NHRA Accepted ProductsPage 140 1/14
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