Owner`s manual

Some parts are not legal for sale or use in California on any pollution controlled motor vehicle.
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Genuine Holley Service Parts
Choose genuine Holley service parts when renewing or modifying your Holley
carburetor. Only Holley service parts are guaranteed to be manufactured to the
same demanding specifications as the original components. Holley parts provide
the fit, function, and performance you expect. Demand the best, demand
Holley!
HOLE SIZE PART NO.
Tube Type
.028” 121-28
.031” 121-31
.035” 121-35
.037” 121-37
Straight Type
.028” 121-128
.031” 121-131
.035” 121-135
DESCRIPTION PART NO.
30cc (rubber) 135-5
50cc (rubber) 135-7
50cc (GFLT) Compatible w/alcohol based fuels 135-9
30cc (GFLT) Compatible w/alcohol based fuels135-10
NEEDLE & SEAT
ASSEMBLIES
Most Holley performance carbs are
equipped with “Viton” needle and
seat. If you use exotic fuels or addi-
tives such as alcohol, benzine or
acetone, use a Holley steel needle
and seat. Use .097" for small 4-bar-
rels, .110" up to 735 CFM and
.120"-.150" for 750 CFM and
above. This is a partial listing.
QUICK CHANGE VACUUM
SECONDARY SPRING KIT
This kit will allow the removal/installation of vac-
uum secondary springs without the need to dis-
assemble the vacuum diaphragm housing from
the carburetor. Two readily accessible cover
plate screws need to be removed from the new
cover to service the secondary vacuum
diaphragm spring.
Part No. 20-59
ACCELERATOR
PUMP
DIAPHRAGMS
ACCELERATOR
PUMP DISCHARGE
NOZZLES
Each discharge nozzle comes
with 2 gaskets. 2/pk.
Fits carb #
0-1850 0-3310-2 0-80145 0-84010 0-1850-1
0-3310-3 0-80431 0-84011 0-1850-2 0-3310-4
0-80432 0-84020 0-1850-3 0-4452-1 0-80436
0-84035 0-1850-4 0-4548 0-80457 0-84047
0-3310 0-7010 0-80508
0-3310-1 0-9188 0-83310
Part No. 135-4
Fits carb #
0-6299-1, 0-8007
Part No. 135-2
SECONDARY
DIAPHRAGM
Listed below is a partial
listing, refer to Holley’s
catalog for yours.
Fits carb #
0-4118 0-80512 0-80519 0-84014
0-84015 0-84021
Part No. 135-3
FLOATS
ELECTRIC
CHOKE CAP
Replacement electric
choke cap for carb
Models 2300, 4150,
4160, 4010, 4011
Part No. 45-258
SEAT SIZE PART NO.
Viton Needle & Seat
.097 adjustable 6-506
.110 adjustable 6-504
.120 adjustable 6-518-2
.097 off-road 6-513
Steel Needle & Seat
.130 adjustable 6-515-2
DESCRIPTION PART NO.
Side hung, Nitrophyl 116-1
Side hung, Brass 116-4
Center hung, Nitrophyl 116-3
Center hung, Brass 116-2
SECONDARY
DIAPHRAGM
SPRING KIT
Color coded for 7
different opening
rates.
Part No. 20-13
FLOAT HANGER
HARDWARE
KIT
Part No. 20-105
THROTTLE LEVER
STUD BUSHING
Part No. 26-103
FLOAT KIT (NOTCHED)
Notched float with
two main jet
extensions. A
notched float is
an absolute
necessity when
using main jet
extensions. Designed
with "notches" to clear main jet extensions. This
allows the float to operate normally without the
possibility of interference from the extensions.
Part No. 116-10
FLOAT KIT
(NOTCHED)
Notched float without
main jet extensions.
Part No. 116-11
This assortment
enables a selec-
tion of proper
cam from tailor pump requirements to individual
engine requirements.
Part No. 20-12
PUMP CAM
ASSORTMENT
For use with Holley externally adjustable needle
seat assemblies. Kit contains: 1 adjusting nut
with gasket, 1 locking screw with gasket and
1 O–ring.
Part No. 34-7
NEEDLE
AND SEAT
HARDWARE KIT
Accessible, large
head style.
Part No. 26-101
IDLE MIXTURE
SCREW
116-4
116-2
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