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Your cart is empty.Holley has been the undisputed leader in fuel systems for over 100 years. Holley carburetors powered every Monster Energy Nascar Cup team and nearly every NHRA Pro–Stock champion for four decades. Now, Holley EFI products power these cars and are dominating the performance world. Holley products for GM's popular LS engine are dominating the LS scene as well. Holley's products also include performance fuel pumps, intake manifolds & engine dress–up products for street performance, race and marine applications. As a single solution, or partnered with products from other Holley companies we can give you the edge you need over the competition!
Nancy
2025-08-18 12:08:55
Returned because some were missing, lid wasn't tight. Replacement was perfect.
pcbuilder
2025-08-12 09:26:33
Worked perfect no fitment issues thanks
Frank Howard
2025-07-09 11:32:44
Just one of those kits your going to need if you buy a Holley. these are nice and the case is marked well. I might buy another set and consolidate the two and use one box for used jets.
C.B.
2025-06-01 11:24:43
Need I say more. I have a Pro-Systems 4150 carburetor (an excellent carburetor & company) and when I plan on doing work I'm not putting no name parts in my carburetor. I have the right kit. Perfect for more than one job too....
William
2025-05-24 16:21:31
Package was open and jets loose in em plops but otherwise perfect
Rocky
2025-05-14 13:06:21
Has just about any jet size you need! Good quality Holley part(s) also comes in a nice container that is separated and the lid shows the corresponding size.
Customer
2025-05-07 18:53:01
The kit came with all of the Jets the case was in good shape not cracked they were all Holley jets in good condition what more can I say
Landen R.
2025-03-16 15:05:21
Tuned my holley 850 DP.
Joseph
2025-03-04 10:17:08
Everything you need to change jets
Bill A.
2025-02-19 13:05:40
Very pleased with the kit.
Norm
2025-02-04 12:39:09
Tout est la pour ajuster le mélange air essence sur un carbu holley
Customer
2025-01-02 17:06:33
nice kit for jetting
Customer
2024-12-25 13:44:56
I love this Kit!
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