Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 11 - Jul 16
For Your Every Summer RSVP, with Code: SUMMER15
Description
Swap Block Mock Up LS Engine Block GF-EJ-LS-DIYThe ORIGINAL Lightweight Steel LS Swap Block?? Engine: Gen III LS, Gen IV LS Years: 1997 2020 Our patent pending? swap block uses our unique tab and slot design to provide accurate mounting positions of engine accessories and bolt ons. This? distinctive design is lightweight and comes disassembled for ease of shipping and storage. Precision formed returns on all weight bearing components and tight tolerance slots create a rigid and accurate
The ORIGINAL Lightweight Steel LS Swap Block??
- Engine: Gen III LS, Gen IV LS
- Years: 1997-2020
- Our patent-pending?swap block uses our unique tab-and-slot design to provide accurate mounting positions of engine accessories and bolt-ons.
- This?distinctive design is lightweight and comes disassembled for ease of shipping and storage.
- Precision formed returns on all weight-bearing components and tight tolerance slots create a rigid and accurate representation of the?LS engine block compared to bolt-together types.
- One tool accomplishes accurate placement of a?GM LS engine into the chassis build of your choice.
- Easily positioned by hand, the days of slinging an engine on a crane in and out of your build are over.
- It's designed to bolt to your transmission while also permitting the attachment of oil pan, motor mounts, headers, water pump and intake.
- Save time and money and work more safely.
- Durable steel construction resists heat from welding, so unlike foam blocks, custom motor mounts can be fabricated right on the block.
- Comes with hardware for exhaust, motor mounts, bellhousing, oil pan, and water pump.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.8 ★★★★★
Based on 2025 reviews
Sort
Product Reviews
★★★★★ 5
I like it!
Color: Khaki, Size: Large
Worth the price. Comfortable. Great assortment of colors.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 21, 2026
★★★★★ 5
Sweet
Color: Navy Blue, Size: Large
Good fit, solid quality.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 11, 2026
★★★★★ 5
Good quality
Color: White, Size: 3X-Large
For this item is best to get a size up. They run small, but the quality is very good.😊
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 29, 2026
★★★★★ 5
Size
Color: Navy Blue, Size: 3X-Large
love the shirt and they fit well for an overweight man. All the ones I got are consistent in size and you don't see that often.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 21, 2026
★★★★★ 5
Excellent style and quality for price
Color: Grey Blue, Size: Medium
Very nice quality and affordable price. Fabric is soft and smooth, very few wrinkles after washing and drying and easy to iron. Seems durable for machine washing and drying. Fits true to size.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 27, 2026