Name: Wheel Front Ltd. Liability Company
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HOLLEY EFI Fuel Rail Kit GM LS1/LS2/LS6 Manifolds 850001
SKU: HLY850001
Product information
Weight3.6 lbs
Dimensions16.9 × 5.3 × 1.9 in
Quantity
Kit

Material
Aluminum

Color
Black

Finish
Anodized

Hardware Included
Yes

Details...
Original price was: $227.00.Current price is: $205.95.Add to cart

Original price was: $227.00.Current price is: $205.95.
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HOLLEY Throttle Body Angle Adapter GM LS/LT Intakes 717-15
SKU: HLY717-15
Product information
Weight1.35 lbs
Dimensions8 × 4.9 × 2.7 in
Quantity
Each

Application Specific
Yes

Material
Aluminum

Color
Black

Finish
Anodized

Details...
Original price was: $106.00.Current price is: $96.35.Add to cart

Original price was: $106.00.Current price is: $96.35.
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HOLLEY Cam Sync Kit – SBF/BBF 556-123
SKU: HLY556-123
Product information
Weight0.85 lbs
Dimensions6.7 × 3.3 × 3.3 in
Quantity
Kit

Sender Type
Camshaft Trigger Sensor

Location
Engine Block Bracket

Adjustable
Yes

Thread Size
12 mm x 1.00

Details...
Original price was: $395.00.Current price is: $358.95.Add to cart

Original price was: $395.00.Current price is: $358.95.
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HOLLEY Cam Sync Kit – BBC w/ +.600/+1.000 Raised Cam 556-121
SKU: HLY556-121
Product information
Weight0.72 lbs
Dimensions6.85 × 3.45 × 3.4 in
Quantity
Kit

Sender Type
Camshaft Trigger Sensor

Location
Engine Block Bracket

Adjustable
Yes

Thread Size
12 mm x 1.00

Details...
Original price was: $379.00.Current price is: $343.95.Add to cart

Original price was: $379.00.Current price is: $343.95.
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HOLLEY Cam Sync Kit – BBC w/ +.400 Raised Cam 556-120
SKU: HLY556-120
Product information
Weight0.7 lbs
Dimensions6.7 × 3.4 × 3.3 in
Quantity
Kit

Variant
Yes

Variant Group
Speed and Position Sensors2

Variant Column
Intended Camshaft Height

Sender Type
Camshaft Trigger Sensor

Details...
Original price was: $395.00.Current price is: $358.95.Add to cart

Original price was: $395.00.Current price is: $358.95.
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HOLLEY Cam Sync System – SBC w/Std. Cam Height 556-119
SKU: HLY556-119
Product information
Weight0.7 lbs
Dimensions6.7 × 3.4 × 3.4 in
Quantity
Kit

Sender Type
Camshaft Trigger Sensor

Location
Engine Block Bracket

Adjustable
Yes

Thread Size
12 mm x 1.00

Details...
Original price was: $368.00.Current price is: $333.95.Add to cart

Original price was: $368.00.Current price is: $333.95.
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HOLLEY Cam Sync System – BBC w/Std. Cam Height 556-114
SKU: HLY556-114
Product information
Weight0.7 lbs
Dimensions6.9 × 3.3 × 3.3 in
Quantity
Kit

Variant
Yes

Variant Group
Speed and Position Sensors2

Variant Column
Intended Camshaft Height

Sender Type
Camshaft Trigger Sensor

Details...
Original price was: $368.00.Current price is: $333.95.Add to cart

Original price was: $368.00.Current price is: $333.95.
Quantity Only 3 left in stock!
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HOLLEY Pressure Transducer – 500-PSI 554-136
SKU: HLY554-136
Product information
Weight0.27 lbs
Dimensions4.8 × 4.4 × 2.3 in
UPC Code
90127728505

Brand
HOLLEY

Condition
New

Type
Pressure Sensors

Manufacturer Part Number
554-136

Details...
Original price was: $206.00.Current price is: $186.95.Add to cart

Original price was: $206.00.Current price is: $186.95.
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HOLLEY MAP Sensor – 7 Bar 554-135
SKU: HLY554-135
Product information
Weight0.27 lbs
Dimensions4.8 × 4.4 × 2.35 in
Style
Bosch

Maximum Pressure (Bar)
7 bar

Inlet Thread Size
1/8 in NPT

Inlet Style
Male

Wiring Pigtail Included
Yes

Details...
Original price was: $206.00.Current price is: $186.95.Add to cart

Original price was: $206.00.Current price is: $186.95.
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HOLLEY MAP Sensor – 3.5 Bar 554-134
SKU: HLY554-134
Product information
Weight0.28 lbs
Dimensions4.75 × 4.4 × 2.4 in
Style
Bosch

Maximum Pressure (Bar)
3.5 bar

Inlet Thread Size
1/8 in NPT

Inlet Style
Male

Wiring Pigtail Included
Yes

Details...
Original price was: $193.00.Current price is: $175.45.Add to cart

Original price was: $193.00.Current price is: $175.45.
Quantity Only 9 left in stock!
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HOLLEY Map Sensor – 1 Bar 554-133
SKU: HLY554-133
Product information
Weight0.275 lbs
Dimensions4.75 × 4.35 × 2.35 in
Style
Bosch

Maximum Pressure (Bar)
1 bar

Inlet Thread Size
1/8 in NPT

Inlet Style
Male

Wiring Pigtail Included
Yes

Details...
Original price was: $206.00.Current price is: $186.95.Add to cart

Original price was: $206.00.Current price is: $186.95.
Quantity Only 8 left in stock!
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HOLLEY Camshaft Sensor w/Flying Magnet Target 1/4-20×3/8 554-127
SKU: HLY554-127
Product information
Weight0.24 lbs
Dimensions6.8 × 3.3 × 3.3 in
Quantity
Kit

Sender Type
Camshaft Trigger Sensor

Location
Engine Block Bracket

Adjustable
Yes

Thread Size
12 mm x 1.00

Details...
Original price was: $277.00.Current price is: $250.95.Add to cart

Original price was: $277.00.Current price is: $250.95.
Quantity Only 2 left in stock!
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HOLLEY Camshaft Sensor w/Flying Magnet Target 12mmx1 554-125
SKU: HLY554-125
Product information
Weight0.3 lbs
Dimensions6.7 × 3.4 × 3.3 in
Quantity
Kit

Sender Type
Camshaft Trigger Sensor

Location
Engine Block Bracket

Adjustable
Yes

Thread Size
12 mm x 1.00

Details...
Original price was: $198.00.Current price is: $179.95.Add to cart

Original price was: $198.00.Current price is: $179.95.
Quantity Only 2 left in stock!
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HOLLEY Crankshaft Sensor use w/ Ferrous Metal Target 554-124
SKU: HLY554-124
Product information
Weight0.29 lbs
Dimensions6.8 × 3.35 × 3.3 in
Quantity
Kit

Sender Type
Crank Trigger Sensor

Location
Engine Block Bracket

Adjustable
Yes

Thread Size
12 mm x 1.00

Details...
Original price was: $198.00.Current price is: $179.95.Add to cart

Original price was: $198.00.Current price is: $179.95.
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HOLLEY Air Temp Sensor Terminator Series 554-121
SKU: HLY554-121
Product information
Weight0.08 lbs
Dimensions3.7 × 3.6 × 2.55 in
Product Line
Terminator Series

Quantity
Each

Mounting Style
Push in

Material
Plastic

Color
Black

Details...
Original price was: $33.00.Current price is: $29.94.Add to cart

Original price was: $33.00.Current price is: $29.94.
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HOLLEY Crank Sensor HE Flying Magnet 554-118
SKU: HLY554-118
Product information
Weight0.37 lbs
Dimensions6.8 × 3.35 × 3.35 in
Quantity
Kit

Sender Type
Crank Trigger Sensor

Location
Engine Block Bracket

Adjustable
Yes

Thread Size
3/4-16 in

Details...
Original price was: $193.00.Current price is: $175.45.Add to cart

Original price was: $193.00.Current price is: $175.45.
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HOLLEY 5 Bar Map Sensor 554-108
SKU: HLY554-108
Product information
Weight0.27 lbs
Dimensions4.75 × 4.4 × 2.35 in
Quantity
Each

Variant
Yes

Material
Stainless

Color
Natural

Finish
Natural

Details...
Original price was: $183.00.Current price is: $165.55.Add to cart

Original price was: $183.00.Current price is: $165.55.
Quantity Only 1 left in stock!
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HOLLEY 3 Bar Map Sensor 554-107
SKU: HLY554-107
Product information
Weight0.2 lbs
Dimensions3.9 × 3.6 × 2.6 in
Quantity
Each

Material
Plastic

Color
Black

Finish
Natural

Style
Bosch

Details...
Original price was: $155.00.Current price is: $140.35.Add to cart

Original price was: $155.00.Current price is: $140.35.
Quantity Only 4 left in stock!
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HOLLEY Pressure Transducer – 1600psi 554-104
SKU: HLY554-104
Product information
Weight0.25 lbs
Dimensions4.7 × 4.4 × 2.3 in
UPC Code
90127668696

Brand
HOLLEY

Condition
New

Type
Pressure Sensors

Manufacturer Part Number
554-104

Details...
Original price was: $224.00.Current price is: $202.95.Add to cart

Original price was: $224.00.Current price is: $202.95.
Quantity Only 3 left in stock!
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HOLLEY Pressure Sensor 200psi 554-103
SKU: HLY554-103
Product information
Weight0.27 lbs
Dimensions4.7 × 4.3 × 2.35 in
UPC Code
90127668689

Brand
HOLLEY

Condition
New

Type
Pressure Sensors

Manufacturer Part Number
554-103

Details...
Original price was: $224.00.Current price is: $202.95.Add to cart

Original price was: $224.00.Current price is: $202.95.
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Frequently Asked Questions

What sets Wheel Front Shop apart from the rest?

As an Authorized Automotive Retailer in the United States, we take pride in guaranteeing 100% authentic products from all brands available on our website. With partnerships spanning 1,000+ brands and a network of 20+ distributor warehouses nationwide, we maintain millions of auto parts in inventory across the USA, ensuring quick shipping and reliable service to our customers. When you shop with us, you're investing in quality and trust.

How fast do we process backorders for auto parts?

We believe we have the fastest backorder system in the U.S. auto parts industry, thanks to our strong partnerships with brands and vendors. Nearly all backordered auto parts are shipped directly by the vendors without any additional delays, or they are placed as special orders on the same day. In most cases, backordered parts are delivered within 10-14 days. Shop with Confidence Commitment: If we cannot fulfill your backorder within 30 days, Wheel Front will issue a full refund—no hidden fees, no hassle, and no questions asked. Because your trust matters, we're committed to making every purchase simple, transparent, and worry-free.

Why Choose Our International Shipping?

We offer unbeatable prices and the best shipping rates on auto parts, with exclusive protection and insurance included to safeguard your order from damage or loss. Enjoy convenient door-to-door delivery, real-time tracking, and our 100% satisfaction guarantee for a smooth, worry-free experience.

How long does shipping take?

Our standard shipping typically takes 1-3 business days. We will provide estimated shipping time for each product. While we aim to deliver as quickly as possible, this timeframe ensures all orders are processed, prepared, and dispatched with care. If the products are not ready for shipping in 72 hours, we will refund you 100%

Can I track my order?

Absolutely. Once your order is dispatched, you’ll receive an email with tracking details, so you can follow your shipment every step of the way. Every step of shipping process will be sent through email notifications or using tracking page.

Do you have my product in stock?

Every product page includes a stock level indicator to show what’s available. We always update the inventory 24/24. We’ll be happy to check availability and provide updates on new stock arrivals if you need a help.

My goods arrived damaged, what should I do?

We’re sorry to hear that your order wasn’t delivered in perfect condition. Please email us with your order number, a description of the issue, and photographs of the damaged item. Once we receive this information, we’ll arrange for a replacement or refund and handle the return process.

How do I return an order?

You can return items within 30 days of receipt. Ensure the product is new in its original packaging and securely wrapped for safe transit. Once we receive the item in sellable condition, we’ll issue a full refund for the product value. Contact us for the return address and further instructions.

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