Page 474 - 2017 Racecar Engineering Circle Track Parts and Accessories Catalog

REUSABLE FILTER SHIELD REPLACEMENT HOLLEY CARBURETOR
MOR65947 GASKETS AND ACCESSORIES
Shield fits 14" x 5" filters, is made of large cell REUSABLE HOLLEY
foam and can be cleaned in the sink or washing ma- METERING PLATE GASKET
chine. One per package.
MOR65222
CAR BU RE TOR COV ER Fits 4150/4160 carbs.
MOR65802 REUSABLE HOLLEY
Durable, plastic cover keeps dust and other material out
of the car bu re tor dur ing trans por ta tion and stor age. Fits FLOAT BOWL GASKETS
Holley, Edelbrock, Thermoquad, and Quad ra jet carbs with MOR65224
5-1/8" dia. necks. Includes 1/4"-20 thumb screw fastener. Made of a high grade Buna-N compound with an
anti-wicking nylon backing. Used with alcohol or
CARBURETOR SPACERS gasoline. Fits 4150/4160 carbs. Two gaskets per kit.
Moroso offers open plenum and four-hole carburetor spacers in plastic,
phenolic, wood, cast aluminum and billet aluminum. Spacers increase plenum NYLON FLOAT
distance for improved fuel distribution and insulate the carburetor from the BOWL WASHER KIT
manifold. Stud installation kit and gaskets must be purchased separately. MOR65225
Spacers fit standard flange carburetors.
For Holley carbs. Ten per package.
CLEAR SIGHT PLUGS
MOR65226
MOR64930 MOR64943 MOR65015 MOR65010 MOR64996 For Holley carbs. Two per package.
Cast Billet
Plastic Phenolic Wood Aluminum Aluminum
Description Part No. Part No. Part No. Part No. Part No.
4-Hole Spacer HEX HEAD FUEL BOWL SCREWS
1/2" Tall, 1.75" Bores – MOR64943 – – – MOR65414
1" Tall, 1.75" Bores MOR64930 – – – MOR64996 Hex head screws are 2-1/2" long and are more
2" Tall, 1.75" Bores – – – – – easily removed from Holley carburetors. Package of four.
Open Spacer
1/2" Tall – – MOR65015 – MOR64985
1" Tall MOR64940* – – MOR64980 MOR64981 HOLLEY OVAL TRACK FLOAT KIT
2" Tall – – – MOR64970 –
* IMCA­legal for crate engine class. MOR65432
Nitrophyl float fits all Holley cen ter-hung
float/cathedral bowl carbs. Wedge shape
CARBURETOR STUD KITS com pen sates for the cen trif u gal force on the fuel, en sur ing proper nee dle and
“Bullet Nose” Studs are seat op er a tion un der the most se vere cor ner ing con di tions. Includes one front
rounded on one end to allow and one rear float.
easy nut installation.
Kits include four of
each: studs, hardened HOLLEY JET EXTENSIONS
flat washers and nuts.
Thread into the metering block and space the jets back into
Part No. Description the fuel bowl, preventing fuel starvation. CNC-machined brass
MOR37950 5/16" x 1-3/8", Fits Carbs With 1/2" Flange Base extensions must be used with MOR65228 float kit to clear
MOR37955 5/16" x 2", Fits Carbs With 1/2” Thick Spacer extensions. Two per pack.
5/16" x 2-1/2", Fits Carbs
MOR37960 Part No. Description
With 1/2" Flange Base And 1/2" Or 1" Spacer
5/16" x 3-1/2", Fits Carbs MOR65440 Jet Extensions, 1/4"-32, Std. Holley Jets
MOR37961 MOR65441 Jet Extensions, 5/16"-32, HP Holley Jets
With 1/2" Flange Base And 1-1/2" Or 2" Spacer
THROTTLE STOP HIGH FLOW SQUIRTER SCREWS
FOR HOLLEY CARBS MOR65042 MOR65442
Throttle stop for Holley 4150 style carbs provides a strong, Fully radiused Allen heads reduce turbulence, increasing air flow for
positive stop, and also pre vents ex ces sive side loading on the improved throttle response. Screws are for gas fed Holley carbs, sold
throttle shaft which can cause shaft bores to wear out. Stop individually.
is ad just able and mounts to carb hold-down stud. Fits both
1:1 and pro gres sive linkages. Made of 1/8" steel with clear
zinc finish. 1:1 SLIP LINK MOR65444
CARBURETOR LINKAGE BUSH ING SET Replace the progressive Holley 4150 carburetor
MOR64920 linkage for 1:1 primary and secondary open-
ing rates. Existing primary throttle arm hole
Steel bushing set adapts 1/4" throttle stud to the must be drilled.
1/2" dia. hole found in the throt tle link age plate of
most four bar rel carbs. Split bush ing per mits easy
in stal la tion and elim i nates the loose fit of rub ber bush ings.
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