SKU: 11564479506

Holley Cast Aluminum Timing Chain Cover - 21-151

Sale price$107.95 Regular price$119.95
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Ships within 48 hours · Estimated delivery Aug 1 - Aug 6

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Description

Holley Cast Aluminum Timing Chain Cover - 21-151Overview: Holley now offers a solution to the plastic OEM timing chain covers on 1996 up Vortec Small Block Chevy engines. Our cast aluminum timing chain covers are an excellent upgrade from the OEM part, offering the superior durability of an aluminum part with improved functionality. These cast aluminum covers feature timing indicators molded into the body and are available with or without a crank sensor provision to accommodate both carbureted and

Overview:

Holley now offers a solution to the plastic OEM timing chain covers on 1996-up Vortec Small Block Chevy engines. Our cast aluminum timing chain covers are an excellent upgrade from the OEM part, offering the superior durability of an aluminum part with improved functionality. These cast aluminum covers feature timing indicators molded into the body and are available with or without a crank sensor provision to accommodate both carbureted and EFI applications. The covers are available in two finishes; Natural Cast and Satin Black. They are packaged with a high quality gasket and E-coated mounting hardware for added corrosion resistance

Features:

  • Designed as an upgrade from the plastic OEM timing chain covers on 1996-up Vortec Small Block Chevy engines - Replaces GM part numbers 10244600, 12523972, 12523973, 12558343, 12562818, & 93800970
  • Excellent upgrade for Chevrolet Performance crate engines that use the plastic timing chain cover
  • Available for EFI (with crank sensor provisions) and carbureted applications (without crank sensor provision)
  • Includes over-molded FKM oil seal, virtually eliminating concerns of the seal spinning out at high temperatures, which is common with other aluminum timing covers
  • Timing indicator cast into the cover – Intended for use with 8” Vortec balancers and other popular 8” aftermarket balancers
  • Accommodates both stock and aftermarket water pumps
  • Includes high quality gasket, corrosion resistant E-coated hardware, and dowel pins
  • Offered in Natural Cast and Satin Black finishes

Application:

Year Make Model Submodel Engine Size
1985 - 1986 Chevrolet C10 262/4.3L V6
1985 - 1986 Chevrolet C20 262/4.3L V6
1985 - 1986 Chevrolet G10 262/4.3L V6
1985 - 1986 Chevrolet G20 262/4.3L V6
1985 - 1986 Chevrolet G30 262/4.3L V6
1985 - 1986 Chevrolet K10 262/4.3L V6
1985 - 1986 GMC C1500 262/4.3L V6
1985 - 1986 GMC C2500 262/4.3L V6
1985 - 1986 GMC G1500 262/4.3L V6
1985 - 1986 GMC G2500 262/4.3L V6
1985 - 1986 GMC G3500 262/4.3L V6
1985 - 1986 GMC K1500 262/4.3L V6
1985 Chevrolet Astro 262/4.3L V6
1985 Chevrolet K20 262/4.3L V6
1985 GMC K2500 262/4.3L V6
1985 GMC Safari 262/4.3L V6

Specs:

Application Small Block Chevy
Brand Holley
Crank Sensor Provision No
Emission Code 5
Engine Chevrolet VORTEC V8
Finish Black
Gaskets Included Yes
Material Aluminum
Mounting Hardware Included Yes
Product Type Timing Chain Cover
Thickness Standard OEM
Warranty Limited 90 Day
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: 11564479506

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4.4 ★★★★★
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emmur14
Waukegan, US
★★★★★ 4
Great shoe - funky sizing!
Size: 9.5, Color: 8/Brown
I was looking for a dress shoe for my fiance for our wedding. The day will be primarily outside, so we loved this style because its much more comfortable and supportive than a traditional dress shoe. The look of these is great, they are beautifully made and have a great color. My only complaint is that the sizing is a little off. They run pretty large. My fiance wears between a 9-9.5, but usually buys a 9.5 We had to buy 4 different pairs before setting on the size 8. He reports they are so comfortable and a great shoe, just know if you are buying for an occasion you might need to exchange for sizing. I would buy at least a full size smaller.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 11, 2024
J
Verified Purchase
Joy
Natrona Heights, US
★★★★★ 5
Teen son likes them
Size: 12 Wide, Color: 8/Black
Comfy and dressy for slacks. Approved by my teen. Good price. And looks nice.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 3, 2026
N
Verified Purchase
nadav siyach
Belleville, US
★★★★★ 5
Good quality
Size: 12, Color: 8/Black
Good quality
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 14, 2026
M
Verified Purchase
Michelle
Carnegie, US
★★★★★ 5
These were perfect for our tropical destination wedding
Size: 9.5 Wide, Color: 8/Tan, Size: 9.5 Wide, Color: 8/Tan
I bought these for my husband to wear at our tropical destination wedding. They are fairly lightweight so they didn’t add too much weight to the luggage. He needs a wide in some shoes, others he can get away with a normal width. He said he felt really good. I would definitely recommend, and I would buy again.
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Reviewed in the United States on June 4, 2026
D
Verified Purchase
Dylan Dueker
Waukegan, US
★★★★★ 3
Nice look, nice price, but not durable
Size: 12, Color: 8/Black
I really like the way the shoes looked, and the price was good. Unfortunately, the seam first busted after only about 5 months. It has been about 10 months now, and the seam is busting all the way around the shoe.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 28, 2025

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