GM Performance Chev LSX376 V8 Cast Iron 4.065" Bore Production Block # 19417352
SKU: 69945940476

GM Performance Chev LSX376 V8 Cast Iron 4.065" Bore Production Block # 19417352

$3127.50 $3475.00
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Description

GM Performance Chev LSX376 V8 Cast Iron 4.065" Bore Production Block # 19417352Engine Block, LSX Bowtie, Bare, Cast Iron, 6 bolt Main Bolt Style, 9. 260 in. Standard Deck, Chevrolet, Each Main Journal Type: Chevy LS Engine Block Material: Cast iron Engine Block Style: OEM Engine Block Deck Height: Standard deck Deck Height (in.): 9. 260 in. Cylinder Bore as Shipped: 4. 065 in. Engine Block Weight (lbs.): 225 lbs. Main Bolt Style: 6 bolt Main Caps Included: Yes Main Cap Material: Billet steel Main Cap Fasteners Included: Yes Main

Engine Block, LSX Bowtie, Bare, Cast Iron, 6-bolt Main Bolt Style, 9.260 in. Standard Deck, Chevrolet, Each

Main Journal Type:
Chevy LS
Engine Block Material:
Cast iron
Engine Block Style:
OEM
Engine Block Deck Height:
Standard deck
Deck Height (in.):
9.260 in.
Cylinder Bore as Shipped:
4.065 in.
Engine Block Weight (lbs.):
225 lbs.
Main Bolt Style:
6-bolt
Main Caps Included:
Yes
Main Cap Material:
Billet steel
Main Cap Fasteners Included:
Yes
Main Bearings Included:
No
Rear Main Seal Style:
1-piece
Finished Cylinder Bores:
Yes
Raised Cam Location:
No
Cam Bearings Included:
No
Freeze Plugs Included:
Yes
Quantity:
Sold individually.

Chevrolet Performance LSX Bowtie Engine Blocks

Chevrolet Performance LSX Bowtie engine blocks are designed for the advanced competition engine builder. They feature Siamese cylinder bores and a semi-finished deck height. The blocks can accept a maximum stroke of 4.250 in., a maximum bore of 4.250 in., and can support displacements of 454 cu. in. or more. LSX Bowties feature cast iron construction with an orange powdercoat finish. They accept all Gen III and IV LS-style cylinder heads, crankshafts, camshafts, and other components. Order the model with deck height and other options needed for your application.

Additional features and specs include:

* Front oil feed lines that can be plugged or restricted for mechanical flat tappet or mechanical lifter applications
* Can be safely machined to 9.200 in. deck height
* 1054 billet steel 6-bolt main bearing caps
* 6-bolt cylinder head bolt pattern
* Cam bores that can be machined to accept 60mm roller bearings
* Can be machined for larger diameter lifters
* External oil pump feed at the rear
* Added 7th transmission bolt hole to work with early-style GM transmissions
* Can accept a front motor plate for racing use
* Threaded freeze plugs that can be used for external heaters or coolers
* Windowed main bulkhead

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. 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
SKU: 69945940476

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4.2 ★★★★★
Based on 1709 reviews
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Product Reviews
A
Verified Purchase
amanda bragg
Charlottesville, US
★★★★★ 5
Good sturdy ball for aggressive chewer
Size: 4.5"
Nice heavy duty ball that my 7 yr old pitbull can chew on and not destroy it in 2 minutes. Wish that could get 3 for the cost but whatever. Nice bright colors . Good size that he won't choke on it .
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 30, 2026
E
Verified Purchase
Edward Davidson
Lexington, US
★★★★★ 4
Great ball but poor squeaked design
Size: 4.5"
My Rottie loves these balls. The ball lasts a long time even though he plays hard and chews them. My biggest complaint is the squeaker disconnects easily from inside the ball, the glue does not hold! We have bought many of these balls because eventually the area where the squeaker is attached comes away from the ball leaving an open whole that causes the ball to eventually developed a long crack at which point it no longer is able to be thrown nor is is fun for him any longer.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 19, 2025
A
Verified Purchase
A. Estrella
Omaha, US
★★★★★ 5
Well made and great fun for our Pittie
Size: 4.5"
My pittie loves these! They are way thicker than others. He has learned how to chew on the spikes. Seems like a good teeth cleaning too. Yes, the squeaker breaks! That is a great thing!! With his active chewing, that sound was driving us crazy after a while.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 19, 2026
D
Verified Purchase
Donald
West Palm Beach, US
★★★★★ 5
"Durable Fun: Pweituoet Heavy Duty Squeaky Dog Balls for Aggressive Chewers"
Size: 4.5"
Product Review: The Pweituoet 4.5” Heavy Duty Squeaky Dog Balls have been a hit with my dog, proving to be both durable and entertaining. Durability: These dog balls are impressively tough. My dog is an aggressive chewer, and most toys don’t last long, but these balls have held up exceptionally well. The heavy-duty material and spiked design are perfect for dogs who love to chew, providing both durability and safety. Entertainment: The built-in squeaker adds an extra layer of fun. It captures my dog’s attention immediately, and the squeak keeps him engaged for longer play sessions. The spikes also make the ball easy for him to grip and carry around. Size: The 4.5” size is ideal for medium to large dogs. It’s large enough to avoid being a choking hazard but still easy for my dog to pick up and play with. The size and weight are just right for games of fetch, too. Value: Given the durability and how much my dog enjoys these balls, they offer great value for the price. They’ve lasted much longer than other toys we’ve tried, making them a worthwhile investment for any dog owner with a tough chewer. Overall Verdict: The Pweituoet Heavy Duty Squeaky Dog Balls are an excellent choice for medium to large dogs, especially those who are aggressive chewers. They’re durable, fun, and well-sized, making them a great addition to your dog’s toy collection. Highly recommended!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 10, 2024
C
Verified Purchase
Chris Wells
Whiting, US
★★★★★ 5
Actually stands up to use
Size: 4.5", Size: 4.5"
I have a pitbull who is a toy destroyer. All those toys, even the ones that say tough enough for destroyers, never hold up. THESE BALLS ARE AWESOME! I bought the 2 pack of the 4.5 inch balls and they lasted a year. I literally am writing this review after ordering a new set. These are well worth the money and Ghost (my dog) loves them. Hes a 103lbs pitbull and his life mission is cuddles and destroying his toys... and these lasting a year of everyday use is friggin awesome. Both toys failed in the same way eventually. They gave out in a circle around the "squeker".
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 14, 2024

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