Name: Wheel Front Ltd. Liability Company
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“RACING HEAD SERVICE LS Aluminum Block – 4.120 Bore 9.240 D/H 54903U” has been added to your cart. View cart

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RACING HEAD SERVICE LS Aluminum Block – 4.120 Bore 9.240 D/H 54903U
SKU: RHS54903U
Product information
Weight140 lbs
Dimensions26 × 22.5 × 20.5 in
Material
Aluminum

Color
Natural

Finish
Natural

Quantity
Each

Cylinder Bore
4.125 in

Details...
Original price was: $7,891.14.Current price is: $6,575.95.Add to cart

Original price was: $7,891.14.Current price is: $6,575.95.
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CHEVROLET PERFORMANCE Engine Block – BBC Gen VI 19434240
SKU: GMP19434240
Product information
Weight281 lbs
Dimensions38 × 30 × 23 in
Material
Cast Iron

Color
Natural

Finish
Natural

Quantity
Each

Cylinder Bore
4.470 in

Details...
Original price was: $4,386.00.Current price is: $3,986.78.Add to cart

Original price was: $4,386.00.Current price is: $3,986.78.
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CHEVROLET PERFORMANCE 6.2L Aluminum Block LT1/LT4/LT5 19431901
SKU: GMP19431901
Product information
Weight112.16 lbs
Dimensions38.5 × 23.12 × 19.88 in
Material
Aluminum

Color
Natural

Finish
Natural

Quantity
Each

Cylinder Bore
4.065 in

Details...
Original price was: $2,997.00.Current price is: $2,723.82.Add to cart

Original price was: $2,997.00.Current price is: $2,723.82.
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CHEVROLET PERFORMANCE LSX Cast Iron Block – 4.185 Bore Finished 19417353
SKU: GMP19417353
Product information
Weight268 lbs
Dimensions24.75 × 19.75 × 19.5 in
Material
Cast Iron

Color
Natural

Finish
Natural

Quantity
Each

Cylinder Bore
4.185 in

Details...
Original price was: $6,284.00.Current price is: $5,712.38.Add to cart

Original price was: $6,284.00.Current price is: $5,712.38.
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CHEVROLET PERFORMANCE LSX Cast Iron Block – 4.065 Bore Finished 19417352
SKU: GMP19417352
Product information
Weight252 lbs
Dimensions25.5 × 20 × 20 in
Material
Cast Iron

Color
Natural

Finish
Natural

Quantity
Each

Cylinder Bore
4.065 in

Details...
Original price was: $6,275.00.Current price is: $5,704.32.Add to cart

Original price was: $6,275.00.Current price is: $5,704.32.
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CHEVROLET PERFORMANCE LSX Cast Iron Block – Semi Finish 9.260 DH 19417351
SKU: GMP19417351
Product information
Weight250 lbs
Dimensions24.75 × 20 × 19.5 in
Material
Cast Iron

Color
Natural

Finish
Natural

Quantity
Each

Cylinder Bore
3.880 in

Details...
Original price was: $5,682.00.Current price is: $5,164.92.Add to cart

Original price was: $5,682.00.Current price is: $5,164.92.
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CHEVROLET PERFORMANCE Engine Block BBC 454 4.250 Bore 9.800 DH 19170538
SKU: GMP19170538
Product information
Weight246.99 lbs
Dimensions38.3 × 25.5 × 22.8 in
Quantity
Each

Material
Cast Iron

Color
Natural

Finish
Natural

Cylinder Bore
4.250 in

Details...
Original price was: $2,939.29.Current price is: $2,672.08.Add to cart

Original price was: $2,939.29.Current price is: $2,672.08.
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CHEVROLET PERFORMANCE LS3/L92 Engine Block 12729604
SKU: GMP12729604
Product information
Weight162 lbs
Dimensions38 × 30 × 22.75 in
Quantity
Each

Material
Aluminum

Color
Natural

Finish
Natural

Cylinder Bore
4.065 in

Details...
Original price was: $4,113.00.Current price is: $3,738.71.Add to cart

Original price was: $4,113.00.Current price is: $3,738.71.
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CHEVROLET PERFORMANCE Alm Engine Block – Bare 6.2L LSA 12673476
SKU: GMP12673476
Product information
Weight110 lbs
Dimensions39 × 20 × 20 in
Material
Aluminum

Color
Natural

Finish
Natural

Quantity
Each

Weight
108 lbs

Details...
Original price was: $4,296.00.Current price is: $3,904.95.Add to cart

Original price was: $4,296.00.Current price is: $3,904.95.
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FORD Engine Block 7.3L Godzilla M-6010-SD73
SKU: FRDM6010-SD73
Product information
Weight256 lbs
Dimensions31 × 25 × 24 in
Quantity
Each

Cylinder Bore
4.220 in

Cylinder Bore As Shipped
4.220 in

1-Piece / 2-Piece Rear Main Seal
1 Piece

4 Bolt / 2 Bolt Mains
4 Bolt

Details...
Original price was: $1,652.19.Current price is: $1,501.99.Add to cart

Original price was: $1,652.19.Current price is: $1,501.99.
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FORD Aluminum Engine Block 5.2L Gen-3 Coyote M-6010-M52B
SKU: FRDM6010-M52B
Product information
Weight113 lbs
Dimensions22.5 × 21.5 × 14.25 in
Quantity
Each

Cylinder Bore
3.700 in

1-Piece / 2-Piece Rear Main Seal
1 Piece

4 Bolt / 2 Bolt Mains
4 Bolt

Main Caps Included
Yes

Details...
Original price was: $2,502.60.Current price is: $2,275.09.Add to cart

Original price was: $2,502.60.Current price is: $2,275.09.
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FORD Coyote Iron Block 2011-2017 M-6010-M50X
SKU: FRDM6010-M50X
Product information
Weight110 lbs
Dimensions47 × 29 × 27 in
Quantity
Each

Cylinder Bore
3.630 in

Intended Maximum Finish Bore
3.740 in

Deck Height
8.937 in

1-Piece / 2-Piece Rear Main Seal
1 Piece

Details...
Original price was: $4,175.86.Current price is: $3,796.24.Add to cart

Original price was: $4,175.86.Current price is: $3,796.24.
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FORD Engine Block Boss 351W M-6010-BOSS35192
SKU: FRDM6010-BOSS35192
Product information
Weight223 lbs
Dimensions31 × 25 × 24 in
Quantity
Each

Cylinder Bore
4.000 in

Cylinder Bore As Shipped
3.990 in

Intended Maximum Finish Bore
4.125 in

Deck Height
9.200 in

Details...
Original price was: $2,941.96.Current price is: $2,674.51.Add to cart

Original price was: $2,941.96.Current price is: $2,674.51.
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FORD Boss 302 Cylinder Block M-6010-BOSS302
SKU: FRDM6010-BOSS302
Product information
Weight210 lbs
Dimensions30 × 25 × 18.5 in
Quantity
Each

Cylinder Bore
4.000 in

Cylinder Bore As Shipped
3.990 in

Intended Maximum Finish Bore
4.125 in

Deck Height
8.200 in

Details...
Original price was: $2,502.01.Current price is: $2,274.55.Add to cart

Original price was: $2,502.01.Current price is: $2,274.55.
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FORD Engine Block Boss 302 w/ 4.115 Bore M-6010-B302BB
SKU: FRDM6010-B302BB
Product information
Weight192 lbs
Dimensions31 × 25 × 24 in
UPC Code
756122104392

Brand
FORD

Type
Engines, Bare Blocks

Condition
New

Manufacturer Part Number (MPN)
M-6010-B302BB

Details...
Original price was: $2,721.99.Current price is: $2,474.54.Add to cart

Original price was: $2,721.99.Current price is: $2,474.54.
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FORD 460 Big Bore Iron Block 4.490 Rough Bore M-6010-A460Xbb
SKU: FRDM6010-A460XBB
Product information
Weight280 lbs
Dimensions31 × 25 × 24 in
Quantity
Each

Cylinder Bore
4.490 in

Cylinder Bore As Shipped
4.360 in

Intended Maximum Finish Bore
4.625 in

Deck Height
10.322 in

Details...
Original price was: $3,601.91.Current price is: $3,274.46.Add to cart

Original price was: $3,601.91.Current price is: $3,274.46.
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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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