BUY NOW, PAY LATER. Starting at 0% APR 
Mr. Gasket Valve Cover Breather
$13.01
$11.56
BCZG_2061
Best Sellers
Emission Control
Engine Crankcase Breather Cap
Hardware, Fasteners and Fittings
Chrome-plated twist-on breather/oil filler cap. It has a high porosity filter plus an internal baffle. Ideal for high performance use. 2-3/4 inch diameter X...
Fits Mopar A, B, RB, and Slant 6 Engines
$18.71
$16.22
BCZG_2059
Best Sellers
Emission Control
Engine Crankcase Breather Cap
Hardware, Fasteners and Fittings
Chrome plated breather cap is ideal for race car vacuum balance systems, as well as original equipment applications with positive crankcase ventilation (PCV).
Mr. Gasket Chrome Breather Push-On
$13.98
$12.43
BCZG_2060MRG
Best Sellers
Emission Control
Engine Crankcase Breather Cap
Hardware, Fasteners and Fittings
This custom, chrome-plated push-on breather/oil filler cap fits over the stock engine oil filler tube. This cap can be used with Mr. Gasket #2066...
Mr. Gasket PCV Grommets
$12.75
$11.33
BCZG_6379
Best Sellers
Emission Control
Hardware, Fasteners and Fittings
PCV Valve Grommet
Ensures a positive oil seal for stamped and cast Ford valve covers. 1 Inch O.D. x 3/4 Inch I.D.
Mr. Gasket Chrome Valve Cover Breather - Push On Style Open Element
$30.79
$26.70
BCZG_2049
Best Sellers
Emission Control
Engine Crankcase Breather Cap
Hardware, Fasteners and Fittings
Mr. Gasket open element breather measures 3-1/8 inch tall and features a beautifully chrome plated 3 inch o.d. (outer diameter)top and molded bottom. The...
Push-on style with breather tube - flat black
$31.56
$27.37
BCZG_2054BP
Best Sellers
Emission Control
Engine Crankcase Breather Cap
Hardware, Fasteners and Fittings
Flat black breather cap is ideal for race car vacuum balance systems, as well as original equipment applications with positive crankcase ventilation (PCV).
Push-on style with breather tube - chrome
$19.82
$17.62
BCZG_2054
Best Sellers
Emission Control
Engine Crankcase Breather Cap
Hardware, Fasteners and Fittings
Chrome plated breather cap is ideal for race car vacuum balance systems, as well as original equipment applications with positive crankcase ventilation (PCV).
Mr. Gasket Vent Breather
$48.02
$41.64
BCZG_2043
Best Sellers
Emission Control
Engine Crankcase Breather Cap
Hardware, Fasteners and Fittings
Washable Cotton Gauze Vent Filter with Chrome Plated Steel Caps. Fits 3/8 Inch Tube.
Mr. Gasket Chrome Valve Cover Breather - Push On Style
$33.57
$29.84
BCZG_2049G
Best Sellers
Emission Control
Engine Crankcase Breather Cap
Hardware, Fasteners and Fittings
Mr. Gasket open element breather measures 3-1/8 inch tall and features a chrome plated 3 inch o.d. (outer diameter)top and bottom. The breather element...
Push-on Style with 3/4 Inch mounting tube - chrome
$19.87
$17.66
BCZG_2057
Best Sellers
Emission Control
Engine Crankcase Breather Cap
Hardware, Fasteners and Fittings
Replace your rocker cover PCV valve with this chrome-plated performance breather featuring an embossed Mr. Gasket logo. It has a 3/4 inch mounting tube...
Fits Valve Covers with 1 Inch I.D. Grommets
$85.95
$74.25
BCZG_9150G
Best Sellers
Crankcase Ventilation System
Emission Control
PCV Valve
This hi-tech machined aluminum PCV valve fits valve cover with 1 inch i.d. (inner diameter) grommets and will accept a 3/8 inch i.d. (inner...
Mr. Gasket Valve Cover Grommet and Plug Kit
$8.66
$7.70
BCZG_6376
Best Sellers
Emission Control
Hardware, Fasteners and Fittings
PCV Valve Grommet
This kit includes one valve cover plug and one PVC (positive crankcase ventilation) grommet made from neoprene rubber. This grommet & plug ensure a...
Mr. Gasket PCV Grommets
$11.57
$10.28
BCZG_6377
Best Sellers
Emission Control
Hardware, Fasteners and Fittings
PCV Valve Grommet
Ensures a positive oil seal for stamped and cast GM valve covers. 1.22 Inch O.D. x 3/4 Inch I.D.
Throttle Position Kit for Electric Choke Carburetors
$224.95
$199.95
BBVL_534-202
Emission Control
Sensors
Throttle Position Sensor
Running an electric choke Holley carburetor and having trouble figuring out how to get that new electronic overdrive transmission to work? Holley has a...
LS3 style MAP sensor plug
$41.67
$36.14
GVMR_300-251
Best Sellers
Emission Control
Hardware, Fasteners and Fittings
Manifold Absolute Pressure Sensor Adapter
This billet aluminum cover eliminates the MAP Sensor and works with most intake manifolds w/ the LS3 style MAP Sensor. Includes O-ring seal and...
Holley EFI 1 Channel EGT Kit
$359.95
$312.95
GVMR_554-184C
Emission Control
Exhaust Gas Temperature (EGT) Sensor
Sensors
Introducing the Holley EFI Single Channel EGT Kits. Exhaust Gas Temperature data is critical information when your engine tune up is on the ragged...
Used on any application that utilizes an O2 sensor
$18.18
$16.16
GVMR_534-49
Best Sellers
Emission Control
Oxygen Sensor Bung
Sensors
O2 weld ring for any application that uses an oxygen (O2) sensor.
DMS CONNECTOR HOUSING, 2 PIN
$16.64
$14.79
GVMR_570-230
Best Sellers
Electrical Connectors
Emission Control
Ignition Knock (Detonation) Sensor Connector
Introducing the Holley EFI Wiring Shop. We have one goal, to provide you a one stop solution for all of your wiring components needs....
Mod/Coyote Knock Sensor Connector
$15.30
$13.27
GVMR_570-225
Best Sellers
Electrical Connectors
Emission Control
Ignition Knock (Detonation) Sensor Connector
Introducing the Holley EFI Wiring Shop. We have one goal, to provide you a one stop solution for all of your wiring components needs....
METRIPACK, 2 CAVITY, FEMALE, BLACK
$13.74
$11.91
GVMR_570-219
Best Sellers
Electrical Connectors
Emission Control
Ignition Knock (Detonation) Sensor Connector
Introducing the Holley EFI Wiring Shop. We have one goal, to provide you a one stop solution for all of your wiring components needs....
Wideband Oxygen Sensor Extension Cable
$182.95
$161.95
GVMR_534-199
Emission Control
Oxygen Sensor Cable
Wire, Cable and Related Components
Wideband Oxygen Sensor Extension Cable, 4'
Throttle Position Sensor
$51.50
$41.35
FRCQ_870001
Best Sellers
Emission Control
Sensors
Throttle Position Sensor
Replacement Throttle Position Sensor (TPS) for Sniper 85/90/92/102mm Throttle Bodies used on Sniper EFI Fabricated Manifolds for GM LS1/LS2/LS3/LS6/LS7
For Sniper EFI Fabricated Intake Manifolds
$41.11
$32.89
FRCQ_870021
Best Sellers
Emission Control
Manifold Absolute Pressure Sensor
Sensors
The pressure inside the intake manifold is an extremely important input to the ECU. This sensor will respond to changes in manifold pressures and...
Weatherpak to GT MAP Adapter Harness
$53.15
$46.09
GVMR_558-466
Best Sellers
Emission Control
Hardware, Fasteners and Fittings
Manifold Absolute Pressure Sensor Adapter
These two new MAP sensor adapters from Holley EFI allow you to quickly add a stainless steel MAP sensor to your existing installation. Holley...
Throttle Body Injection Throttle Position Sensor
$138.95
$122.95
GVMR_543-29
Emission Control
Sensors
Throttle Position Sensor
Use with 2 bbl TBI's PN's 502-3, 502-4, 502-5, 502-6, 502-7; 4 bbl TBI's PN's 534-171, 534-172, 534-173, 534-187; Avenger EFI 4 bbl TBI's...
For Sniper Autolite 1100
$30.29
$26.92
GVMR_543-124
Best Sellers
Emission Control
Sensors
Throttle Position Sensor
This Throttle Position Sensor is required for Sniper Autolite 1100's.
For Sniper and Terminator X O2 Sensor
$184.95
$160.95
GVMR_554-155
Emission Control
Oxygen Sensor
Sensors
Replacement Bosch wideband oxygen (O2) sensor for Sniper EFI and Terminator X systems.
Throttle Position Sensor
$151.95
$131.95
GVMR_543-112
Emission Control
Sensors
Throttle Position Sensor
This is a service TPS sensor for several of our billet throttle bodies.
Replacement/Service Part
$100.95
$87.55
GVMR_543-111
Best Sellers
Emission Control
Sensors
Throttle Position Sensor
This Throttle Position Sensor fits all Terminator 4150 throttle bodies and Sniper EFI 4150 throttle bodies. Additionally, it is the replacement/service part sensor for...
Throttle Body Injection Throttle Position Sensor
$112.95
$99.95
GVMR_543-3
Best Sellers
Emission Control
Sensors
Throttle Position Sensor
Throttle Position Sensor for 1 bbl Replacement TBIs PN's 500-2, 500-4, 2 bbl Pro-Jection PN's 502-1, 502-2, 502-20 and 2 x 2 Pro-Jection PN...
Replacement Wideband Oxygen Sensor
$425.95
$377.95
GVMR_534-198
Emission Control
Oxygen Sensor
Sensors
Replacement Wideband Oxygen Sensor for Commander 950 wideband controller kits.
Replacement NTK Wideband Oxygen Sensor for C950 or Holley EFI
$415.95
$359.95
GVMR_554-100
Emission Control
Oxygen Sensor
Sensors
Replacement NTK Wideband Oxygen Sensor for C950 or Holley EFI
LSU4 Bosch Wideband
$224.95
$199.95
GVMR_554-101
Emission Control
Oxygen Sensor
Sensors
This sensor is a direct replacement for Holley HP, Dominator, Avenger and Terminator EFI systems. Each Sensor is hand calibrated to insure accurate readings...
1/4" EGT PROBE, OPEN TIP
$145.95
$125.95
GVMR_554-175
Emission Control
Exhaust Gas Temperature (EGT) Sensor
Sensors
Exhaust Gas Temperature is a critical indicator of the performance of a typical racing engine.
1/4" EGT PROBE, OPEN TIP
$145.95
$125.95
GVMR_554-176
Emission Control
Exhaust Gas Temperature (EGT) Sensor
Sensors
Exhaust Gas Temperature is a critical indicator of the performance of a typical racing engine.
1/4" EGT PROBE, OPEN TIP
$145.95
$128.95
GVMR_554-177
Emission Control
Exhaust Gas Temperature (EGT) Sensor
Sensors
Exhaust Gas Temperature is a critical indicator of the performance of a typical racing engine.
