Throttle Return Kits Throttle Return Kits attach directly to carburetor and are designed to
Replacement Holley Carburetor Gaskets And Accessories Reusable Metering Plate Gasket MOR65222
MOR64919
clear most low-profile racing air cleaners. Sold complete with one set of heavy and one set of light return springs and necessary hardware. Part No. Description MOR64919
Fits 4150/4160 carbs (Holley 108-29). Drag Race Float Kit MOR65228 Notched to clear 3/4" long jet extensions in carbs with center hung float bowls. Alcohol com- patible. Sold individually. Reusable Float Bowl Gaskets MOR65224 Buna-N compound with anti-wicking nylon backing. Used with alcohol or gas. Fits 4150/4160 carbs (Holley 108-32, 33). Two per kit. Nylon Float Bowl Washer Kit MOR65225 Ten per package. Clear Sight Plugs MOR65226 For Holley carbs, two per package. Hex Head Fuel Bowl Screws MOR65414 Hex head screws are 2-1/2" long and are more easily removed from Holley carburetors. Packs of four. High Flow Squirter Screws MOR65442 Fully radiused Allen heads reduce turbulence, increasing air flow for improved throttle response. Screws are for gas fed Holley carbs, sold individually. Holley Jet Extensions Thread into the metering block and space the jets back into the fuel bowl, preventing fuel starvation. CNC-machined brass extensions must be used with MOR65228 float kit to clear extensions. Two per pack. Part No. Description MOR65440 Jet Extensions, 1/4"-32, Std. Holley Jets MOR65441 Jet Extensions, 5/16"-32, HP Holley Jets 1:1 Slip Link MOR65444 Replaces the stock, progressive link, converting it to provide simultaneous 1:1 primary and secondary throttle opening. Fits all Holley 4150 carburetors. Carburetor Linkage Bushing Set MOR64920 Steel bushing adapts a 1/4" fastener to the 1/2" diameter hole found in the throttle linkage arm on Holley carbs. Throttle Stop MOR65042 Adjustable throttle stop for Holley 4150 carburetors provides a positive stop to prevent side loading and worn throttle shaft bores. Mounts to carb hold down stud and is compatible with progres- sive or 1:1 linkages. Carburetor Drain Cup MOR65805 Specially-channeled drain cup catches fuel spilled from fuel bowl screws. Made from fuel resistant polyethylene.
Throttle Return Kit, Satin Black, Holley 4150 Including HP Series Throttle Return Kit, Chrome, Holley 4500 Dominator
MOR64923 MOR64927 MOR64929
Throttle Return Kit, Satin Black, Holley Or Road, Speed Or Race Demon 4150/4160
Throttle Return Springs Only, Pair
Carburetor Spacers Moroso offers open plenum and four-hole carburetor spacers in
plastic, phenolic, wood, cast aluminum and billet aluminum. Spacers increase plenum distance for improved fuel distribution and insulate the carburetor from the manifold. Stud installation kit and gaskets must be purchased separately.
Cast Aluminum Part No.
Billet Aluminum Part No.
Plastic Part No.
Phenolic Part No.
Wood Part No.
Description
Standard Flange Spacers 4-Hole Spacer, 1/2" Tall, 1.75" Bores
— MOR64943 — — —
4-Hole Spacer, 1" Tall, 1.75" Bores MOR64930 — — — MOR64996 4-Hole Spacer, 2" Tall, 1.75" Bores — — — — — Open Spacer, 1/2" Tall — — MOR65015 — MOR64985 Open Spacer, 1" Tall MOR64940 — — MOR64980 MOR64981 Open Spacer, 2" Tall — — — MOR64970 — Dominator Flange Spacers Open Spacer, 1/2" Tall — MOR64947 — — — Open Spacer, 1" Tall — — — MOR64950 MOR64951 Carburetor Stud Kits
“Bullet Nose” studs are rounded on one end to allow easy nut installation. Kits include four of each: studs, hard- ened flat washers and nuts. Part No.
MOR37950
MOR37961
Description
MOR37950 5/16" x 1-3/8", Fits Carbs With 1/2" Flange Base MOR37960 5/16" x 2-1/2", Fits Carbs With 1/2" Flange Base And 1/2" Or 1" Spacer MOR37961 5/16" x 3-1/2", Fits Carbs With 1/2" Flange Base And 1-1/2" Or 2" Spacer Dominator Carburetor Adapter MOR65000
Use adapter to bolt a Holley Dominator carbure- tor to any intake manifold with a standard Holley 4150/4160 bolt pattern. Open plenum aluminum adapter is 2" thick. Carb Caps Keeps dust and other foreign material out of carburetor. Made of durable, high impact plastic. Part No. Description MOR65802 Vacuum Line Cap Kit MOR41090 Seal vacuum line connections at car- buretors, intake manifolds, etc. Includes 20 vacuum caps in 1/8", 3/16", 1/4" and 5/16" sizes. MOR65803
Fits Holley, Thermoquad And Q-Jet Carbs With 5-1/8" Dia. Neck Fits Holley Dominator Carbs With 7-5/16" Dia. Neck
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