Page 346 - 2018 Racecar Engineering Drag Racing Parts and Accessories Catalog

Fuel Bowl And Metering Block Gaskets Air Cleaner, Throttle Body
Gaskets are for jet changes in the pits. Two per pack. And Base Gaskets
Part No. Description Gaskets are for replacement purposes and
Fuel Bowl Gaskets are sold individually unless specified.
HLY108-83-2 Blue Non-Stick For 2300, 4150/4160 And 4500 2-Circuit Carbs
HLY108-92-2 Blue Non-Stick For 4165, Some 4150/4160 Primary Side And 2300 Part No. Description
HLY108-120 Blue Non-Stick For 4150/4160 HLY108-4 Air Cleaner Gasket, 5" Dia., .060" Thick, 3-Pk.
HLY108-199 Blue Non-Stick For 4500 3-Circuit HLY108-62 Air Cleaner Gasket, 5" Dia., .200" Thick
Metering Block Gaskets HLY108-73 Air Cleaner Gasket, 7" Dia. (Dominator), .060" Thick
HLY108-36-2 Std. Cork For 4500 w/Intermed. System Incl. List 6214 And 6464 HLY108-5 Throttle Body Gasket, 4150/4160, 1-11/16" x 1-11/16" Bore Size
HLY108-55-2 Std. Cork For 4180 HLY108-7 Throttle Body Gasket, 4150/4160, 1-3/4" x 1-3/4" Bore Size
Blue Non-Stick, Most 4150’s, Some 4160’s, Early 4165’s, Most 2300’s HLY108-12 Base Gasket, 4010, 4150/4160, 5/16" Thick With Studs Included
HLY108-89-2* HLY108-10 Base Gasket, 4150/4160, 1/16" Thick
And All 4500’s Without Intermediate System
Blue Non-Stick For Secondary Bowl/Metering Plate On Many HLY108-18 Base Gasket, Split, Model 4010/4150/4160 x 1-3/4", 5/16" Thick
HLY108-90-2 HLY108-58 Base Gasket, 4-Hole, 4150/4160/4180, x 1-9/16"
4160/4175
Blue Non-Stick, Used As Primary/Secondary Gaskets HLY108-84-2 Base Gasket, Dominator 4500/4500 HP, 1/16" Thick
HLY108-91-2
On 4165/75 And Some 4150
Blue Non-Stick For Most 4150’s, Some 4160’s, Early 4165’s, Fuel Bowl Sight Plug And Gasket Kits
HLY108-121* Most 2300’s And All 4500’s Without Intermediate Idle System. Part No. Description
Secondary Metering Block Gasket On Double Pumpers. HLY26-13 Standard Replacement, Pair
Blue Non-Stick For 2300, 4150, 4160 And 4500 w/o Intermediate HLY26-112 Sight Window Service Part For 34-37 Or 34-38
HLY1008-1907-1
Circuit, 10-Pack
HLY108-198 Blue Non-Stick For 4500 3-Circuit Idle Mixture Screw And Gasket
Secondary Metering Plate Gasket Part No. Description
Some Model 4460’s, Same Pattern Used On Metal 1034-1193
HLY108-27-2 HLY26-101 Idle Mixture Screw
Metering Body Plate HLY26-110-10 Idle Mixture Screw Gaskets, Cork, Pkg. 10
* Not used with accelerator pump transfer tube.
Transfer Tube O-Rings And Seals
Gasket Assortment Kits
Part No.
Description
Fuel bowl and metering block gaskets HLY26-37 Transfer Tube O-Ring, Old Style, Pair
are available packaged together. Four HLY108-97 Transfer Tube Seal, New Style, Pair
kits cover most popular Holley 4bbl.
carburetors. Use the gasket listings to Standard Main Jets
determine the correct kit number (see top of this column). Holley Main Jets are threaded for ease of installa-
Part No. Description tion. To order, use prefix HLY122- followed by the jet
HLY108-200 Includes Two Each: HLY108-89-2 And HLY108-83-2 number from chart. Example: HLY122-40 (has an approxi-
HLY108-201 Includes One Each: HLY108-27-2, 108-89-2, 108-90-2 And 108-83-2 mate hole size of .040" diameter).
HLY108-202 Includes One Each: HLY108-27-2, 108-90-2, 108-91-2 And 108-92-2
HLY108-203 Includes Two Each: HLY108-91-2 And HLY108-92-2 Gaskets Jet Hole Jet Hole Jet Hole Jet Hole Jet Hole
No. Size No. Size No. Size No. Size No. Size
40 .040" 55 .054" 69 .070" 83 .094" 97 .125"
Fuel Bowl Screw And Gasket Kit HLY26-124 42 .042" 56 .055" 70 .073" 84 .099" 98 .125"
Fits primary side of 4500, 4175, 4150 43 .043" 57 .056" 71 .076" 85 .100" 99 .125"
and 4160. Includes (1) primary fuel bowl 44 .044" 58 .057" 72 .079" 86 .101" 100 .128"
.058"
73
59
45
.045"
101
.126"
.103"
.079"
87
gasket for 2-circuit, (1) primary fuel 46 .046" 60 .060" 74 .081" 88 .104" 102 .128"
bowl gasket for 4165/4175, (4) primary 47 .047" 61 .060" 75 .082" 89 .104" 103 .130"
bowl screws and (4) fuel bowl screw 48 .048" 62 .061" 76 .084" 90 .104" 104 .134"
gaskets. 49 .048" 63 .062" 77 .086" 91 .105" 105 .137"
50 .049" 64 .064" 78 .089" 92 .105" 106 .141"
Heli-Coil Kit For Float Bowl 51 .050" 65 .065" 79 .091" 93 .105" 107 .145"
66
.066"
.052"
108
52
94
.108"
.147"
80
.093"
Required to repair stripped float bowl threads. 53 .052" 67 .068" 81 .093" 95 .118" 109 .150"
54 .053" 68 .069" 82 .093" 96 .118" 110 .156"
Part No. Description
Installation Tool Kit With Inserts And Tap, Note: All sizes shown are for reference use only. Actual control of size
HLY26-2 is by flow check. In all instances, a higher stamped number indicates a
Requires 15/64" Drill Bit greater average flow rate. Do not drill or damage the jet metering orifice.
HLY26-3 Heli-Coil Inserts
Change jets to meet specific requirements.
Fuel Inlet Fitting Gaskets Alcohol Jets
Standard length alcohol jets are used with the
Part No. Description
HLY26-102 7/8" Nylon, Fuel Bowl Inlet Fitting Gasket 950 HP carburetor models HLY0-80542-1, HLY0-80535-1 and
HLY108-1 9/16", Fuel Bowl Inlet Fitting Gasket HLY0-80498-1 and will work with a stock float. To order, use
HLY108-8 7/8", Fuel Bowl Inlet Fitting Gasket prefix HLY122- followed by the jet number from chart. Example:
HLY122-132 (has an approximate hole size of .132" diameter).
Jet No. Hole Size Jet No. Hole Size Jet No. Hole Size
Bowl Screw Gaskets 132 .132" 150 .150" 172 .172"
Includes 20 gaskets. 136 .136" 152 .152" 176 .176"
138 .138" 154 .154" 180 .180"
Part No. Description
HLY108-2-20 Standard Replacement Paper Gaskets 140 .140" 156 .156" 184 .184"
HLY108-98-10 Reusable Nylon Gaskets 142 .142" 158 .158" 188 .188"
144 .144" 160 .160" 192 .192"
146 .146" 164 .164" 196 .196"
148 .148" 168 .168" 200 .200"
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