Name: Wheel Front Ltd. Liability Company
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“PAC RACING SPRINGS Valve Locks GM 604 Crate Engine PAC-L8157-16” has been added to your cart. View cart

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PAC RACING SPRINGS Valve Locks GM 604 Crate Engine PAC-L8157-16
SKU: PACPAC-L8157-16
Product information
Weight0.115 lbs
Dimensions4.25 × 1.65 × 1.3 in
Brand
PAC RACING SPRINGS

Manufacturer Part Number
PAC-L8157-16

Type
Valve Locks

Details...
Original price was: $99.00.Current price is: $89.30.Add to cart

Original price was: $99.00.Current price is: $89.30.
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PAC RACING SPRINGS 8-Degree Valve Lock Set 11/32 Steel Sq-Groove PAC-L8145-16
SKU: PACPAC-L8145-16
Product information
Weight0.2 lbs
Dimensions5.5 × 3.0 × 0.1 in
Brand
PAC RACING SPRINGS

Manufacturer Part Number
PAC-L8145-16

Type
Valve Locks

Details...
Original price was: $99.00.Current price is: $89.30.Add to cart

Original price was: $99.00.Current price is: $89.30.
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PAC RACING SPRINGS Vavle Lock 1pk 10-Degree 8mm Steel -.050 PAC-L8159
SKU: PACPAC-L8159
Product information
Weight0.015 lbs
Dimensions2.9 × 1.65 × 0.3 in
Brand
PAC RACING SPRINGS

Type
Valve Locks

Condition
New

Manufacturer Part Number
PAC-L8159

Details...
Original price was: $7.00.Current price is: $6.14.Add to cart

Original price was: $7.00.Current price is: $6.14.
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PAC RACING SPRINGS Valve Lock Set 10-Degree 8mm Steel -.050 PAC-L8159-16
SKU: PACPAC-L8159-16
Product information
Weight0.3 lbs
Dimensions6.0 × 3.0 × 0.1 in
Brand
PAC RACING SPRINGS

Type
Valve Locks

Condition
New

Manufacturer Part Number
PAC-L8159-16

Details...
Original price was: $99.00.Current price is: $89.30.Add to cart

Original price was: $99.00.Current price is: $89.30.
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PAC RACING SPRINGS Spring Seat – Chromoly 1.350 x .575 .060 Thick PAC-S161-16
SKU: PACPAC-S161-16
Product information
Brand
PAC RACING SPRINGS

Type
Valve Spring Locators

Condition
New

Manufacturer Part Number
PAC-S161-16

Details...
Original price was: $96.00.Current price is: $86.48.Add to cart

Original price was: $96.00.Current price is: $86.48.
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PAC RACING SPRINGS 7-Degree Valve Lock Set Steel GM LS +.050 PAC-L8162-16
SKU: PACPAC-L8162-16
Product information
Weight0.11 lbs
Dimensions3.0 × 3.0 × 1.0 in
Brand
PAC RACING SPRINGS

Type
Valve Locks

Condition
New

Manufacturer Part Number
PAC-L8162-16

Details...
Original price was: $99.00.Current price is: $89.30.Add to cart

Original price was: $99.00.Current price is: $89.30.
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PAC RACING SPRINGS Height Mic – 1.400 to 2.000 LS Dual Retainers PAC-T904
SKU: PACPAC-T904
Product information
Weight0.19 lbs
Dimensions3.9 × 2.4 × 2.35 in
Minimum Range
1.400 in

Maximum Range
2.000 in

Scale
0.001 in

Increments
0.0025 in

Distance Traveled Per Turn
0.050 in

Details...
Original price was: $183.00.Current price is: $166.19.Add to cart

Original price was: $183.00.Current price is: $166.19.
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PAC RACING SPRINGS Height Mic – 1.400 to 1.900 PAC-T903
SKU: PACPAC-T903
Product information
Weight0.3 lbs
Dimensions3.8 × 2.3 × 2.3 in
Minimum Range
1.400 in

Maximum Range
1.900 in

Scale
0.001 in

Increments
0.0025 in

Distance Traveled Per Turn
0.050 in

Details...
Original price was: $183.00.Current price is: $166.19.Add to cart

Original price was: $183.00.Current price is: $166.19.
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PAC RACING SPRINGS Height Mic – 1.800 to 2.600 PAC-T902
SKU: PACPAC-T902
Product information
Weight0.4 lbs
Dimensions3.75 × 2.35 × 2.3 in
Material
Aluminum

Color
Red

Finish
Anodized

Quantity
Each

Minimum Range
1.800 in

Details...
Original price was: $183.00.Current price is: $166.19.Add to cart

Original price was: $183.00.Current price is: $166.19.
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PAC RACING SPRINGS Height Mic – 1.400 to 2.000 PAC-T901
SKU: PACPAC-T901
Product information
Weight0.2 lbs
Dimensions3.85 × 2.35 × 2.3 in
Material
Aluminum

Color
Blue

Finish
Anodized

Quantity
Each

Minimum Range
1.400 in

Details...
Original price was: $183.00.Current price is: $166.19.Add to cart

Original price was: $183.00.Current price is: $166.19.
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PAC RACING SPRINGS Calibration Springs for Spring Testers PAC-T900
SKU: PACPAC-T900
Product information
Weight0.26 lbs
Dimensions6.45 × 3.95 × 1.65 in
UPC Code
193564541673

Brand
PAC RACING SPRINGS

Condition
New

Type
Valve Spring Tester Springs

Manufacturer Part Number
PAC-T900

Details...
Original price was: $125.00.Current price is: $112.80.Add to cart

Original price was: $125.00.Current price is: $112.80.
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PAC RACING SPRINGS Spring Shims – 1.500 OD .015 Thick PAC-S195-16
SKU: PACPAC-S195-16
Product information
Weight0.1 lbs
Dimensions3.1 × 2.4 × 0.5 in
Outside Diameter
1.500 in

Material
Steel

Color
Natural

Quantity
Set of 16

Variant
Yes

Details...
Original price was: $36.00.Current price is: $32.15.Add to cart

Original price was: $36.00.Current price is: $32.15.
Quantity Only 1 left in stock!
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PAC RACING SPRINGS Spring Shims – 1.500 OD .020 Thick PAC-S194-16
SKU: PACPAC-S194-16
Product information
Weight0.14 lbs
Dimensions3.05 × 2.9 × 0.55 in
Outside Diameter
1.500 in

Material
Steel

Color
Natural

Quantity
Set of 16

Variant
Yes

Details...
Original price was: $36.00.Current price is: $32.15.Add to cart

Original price was: $36.00.Current price is: $32.15.
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PAC RACING SPRINGS Spring Shims – 1.250 OD .015 Thick PAC-S191-16
SKU: PACPAC-S191-16
Product information
Weight0.07 lbs
Dimensions3.2 × 3.05 × 0.4 in
Outside Diameter
1.250 in

Material
Steel

Color
Natural

Quantity
Set of 16

Variant
Yes

Details...
Original price was: $36.00.Current price is: $32.15.Add to cart

Original price was: $36.00.Current price is: $32.15.
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PAC RACING SPRINGS Spring Shims – 1.250 OD .020 Thick PAC-S190-16
SKU: PACPAC-S190-16
Product information
Weight0.1 lbs
Dimensions5.3 × 3 × 0.3 in
Outside Diameter
1.250 in

Material
Steel

Color
Natural

Quantity
Set of 16

Variant
Yes

Details...
Original price was: $36.00.Current price is: $32.15.Add to cart

Original price was: $36.00.Current price is: $32.15.
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PAC RACING SPRINGS Spring Shims – 1.250 OD .030 Thick PAC-S189-16
SKU: PACPAC-S189-16
Product information
Weight0.14 lbs
Dimensions3.25 × 3.1 × 0.5 in
Outside Diameter
1.250 in

Material
Steel

Color
Natural

Quantity
Set of 16

Variant
Yes

Details...
Original price was: $48.00.Current price is: $42.86.Add to cart

Original price was: $48.00.Current price is: $42.86.
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PAC Racing Springs produces premium-quality valve springs and related valvetrain components for many different automotive and racing applications. Their lines of valve springs, retainers, locks, seats, shims, and specialty tools are designed to provide excellent performance and reliability, and are available as individual components or as complete kits.

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.

PAC RACING SPRINGS

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