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Description
Holley Cast Aluminum Timing Chain Cover w/ Crank Sensor Port Provision Black 21-153Overview: 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, see Part Number 21-151)
- 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
- Satin Black Finish (For Natural Cast Finish see Part Number 21-152)
Fitment Notes:
- Fits both Small Block Chevy (SBC) & VORTEC series Small Block Chevy applications
- Mounting holes at the 10 o'clock and 2 o'clock positions are NOT used on VORTEC series engine fitments
- Supplied Dowel pins are used on VORTEC series engines fitments ONLY, early Small Block Chevy (SBC) have dowel pins installed in the block and will not be used.
- This Timing Chain cover INCLUDES the Crank Sensor Port Provision, for models WITHOUT the CKP Provision see Part Number 21-151
- Does NOT work with Double Roller Timing Chain or Non-Roller Cam!
- Only for GAS Engines! Not for use with Bi-Fuel or CNG Applications!
Applications:
| Year | Make | Model | Engine | Fitment Notes |
|---|---|---|---|---|
| 1999-2000 | Cadillac | Escalade | 5.7L V8 350 CID | With Crank Sensor Port Provision |
| 1996-2000 | Chevrolet | C35 (Mexico Only!) | 5.7L V8 350 CID | With Crank Sensor Port Provision |
| 1996-1999 | Chevrolet | C1500 | 5.0L V8 305 CID | With Crank Sensor Port Provision |
| 1996-1999 | Chevrolet | C1500 | 5.7L V8 350 CID | With Crank Sensor Port Provision |
| 1996-1999 | Chevrolet | C1500 Suburban | 5.7L V8 350 CID | With Crank Sensor Port Provision |
| 1996-1998 | Chevrolet | C2500 | 5.0L V8 305 CID | With Crank Sensor Port Provision |
| 1996-2000 | Chevrolet | C2500 | 5.7L V8 350 CID | With Crank Sensor Port Provision |
| 1996-1999 | Chevrolet | C2500 Suburban | 5.7L V8 350 CID | With Crank Sensor Port Provision |
| 1996-2000 | Chevrolet | C3500 | 5.7L V8 350 CID | With Crank Sensor Port Provision |
| 1996-2002 | Chevrolet | Express 1500 | 5.0L V8 305 CID | With Crank Sensor Port Provision |
| 1996-2002 | Chevrolet | Express 1500 | 5.7L V8 350 CID | With Crank Sensor Port Provision |
| 1996-2002 | Chevrolet | Express 2500 | 5.0L V8 305 CID | With Crank Sensor Port Provision |
| 1996-2002 | Chevrolet | Express 2500 | 5.7L V8 350 CID | With Crank Sensor Port Provision |
| 1996-2002 | Chevrolet | Express 3500 | 5.7L V8 350 CID | With Crank Sensor Port Provision |
| 1996 | Chevrolet | G30 | 5.7L V8 350 CID | With Crank Sensor Port Provision |
| 1996-1999 | Chevrolet | K1500 | 5.0L V8 305 CID | With Crank Sensor Port Provision |
| 1996-1999 | Chevrolet | K1500 | 5.7L V8 350 CID | With Crank Sensor Port Provision |
| 1996-1999 | Chevrolet | K1500 Suburban | 5.7L V8 350 CID | With Crank Sensor Port Provision |
| 1996 | Chevrolet | K2500 | 5.0L V8 305 CID | With Crank Sensor Port Provision |
| 1996-2000 | Chevrolet | K2500 | 5.7L V8 350 CID | With Crank Sensor Port Provision |
| 1996-1999 | Chevrolet | K2500 Suburban | 5.7L V8 350 CID | With Crank Sensor Port Provision |
| 1996-2000 | Chevrolet | K3500 | 5.7L V8 350 CID | With Crank Sensor Port Provision |
| 1996-1999 | Chevrolet | P30 | 5.7L V8 350 CID | With Crank Sensor Port Provision |
| 1996-1999 | Chevrolet | Tahoe | 5.7L V8 350 CID | With Crank Sensor Port Provision |
| 2000 | Chevrolet | Tahoe Limited | 5.7L V8 350 CID | With Crank Sensor Port Provision |
| 2000 | Chevrolet | Tahoe Z71 | 5.7L V8 350 CID | With Crank Sensor Port Provision |
| 1996-2003 | Chevrolet | W3500 Tiltmaster | 5.7L V8 350 CID | With Crank Sensor Port Provision |
| 1996-2003 | Chevrolet | W4500 Tiltmaster | 5.7L V8 350 CID | With Crank Sensor Port Provision |
| 1996-1999 | GMC | C1500 | 5.0L V8 305 CID | With Crank Sensor Port Provision |
| 1996-1999 | GMC | C1500 | 5.7L V8 350 CID | With Crank Sensor Port Provision |
| 1996-1999 | GMC | C1500 Suburban | 5.7L V8 350 CID | With Crank Sensor Port Provision |
| 1996-1998 | GMC | C2500 | 5.0L V8 305 CID | With Crank Sensor Port Provision |
| 1996-2000 | GMC | C2500 | 5.7L V8 350 CID | With Crank Sensor Port Provision |
| 1996-1999 | GMC | C2500 Suburban | 5.7L V8 350 CID | With Crank Sensor Port Provision |
| 1996-2000 | GMC | C3500 | 5.7L V8 350 CID | With Crank Sensor Port Provision |
| 1996 | GMC | G3500 | 5.7L V8 350 CID | With Crank Sensor Port Provision |
| 1996-1999 | GMC | K1500 | 5.0L V8 305 CID | With Crank Sensor Port Provision |
| 1996-1999 | GMC | K1500 | 5.7L V8 350 CID | With Crank Sensor Port Provision |
| 1996-1999 | GMC | K1500 Suburban | 5.7L V8 350 CID | With Crank Sensor Port Provision |
| 1996-2000 | GMC | K2500 | 5.7L V8 350 CID | With Crank Sensor Port Provision |
| 1996-1999 | GMC | K2500 Suburban | 5.7L V8 350 CID | With Crank Sensor Port Provision |
| 1996-2000 | GMC | K3500 | 5.7L V8 350 CID | With Crank Sensor Port Provision |
| 1996-1999 | GMC | P3500 | 5.7L V8 350 CID | With Crank Sensor Port Provision |
| 1996-2002 | GMC | Savana 1500 | 5.0L V8 305 CID | With Crank Sensor Port Provision |
| 1996-2002 | GMC | Savana 1500 | 5.7L V8 350 CID | With Crank Sensor Port Provision |
| 1996-2002 | GMC | Savana 2500 | 5.0L V8 305 CID | With Crank Sensor Port Provision |
| 1996-2002 | GMC | Savana 2500 | 5.7L V8 350 CID | With Crank Sensor Port Provision |
| 1996-2002 | GMC | Savana 3500 | 5.7L V8 350 CID | With Crank Sensor Port Provision |
| 1996-2003 | GMC | W3500 Forward | 5.7L V8 350 CID | With Crank Sensor Port Provision |
| 1998-2003 | GMC | W4500 Forward | 5.7L V8 350 CID | With Crank Sensor Port Provision |
| 1996-1999 | GMC | Yukon | 5.7L V8 350 CID | With Crank Sensor Port Provision |
| 2000 | GMC | Yukon Denali | 5.7L V8 350 CID | With Crank Sensor Port Provision |
| 1996-2003 | Isuzu | NPR | 5.7L V8 350 CID | With Crank Sensor Port Provision |
| 1998-2003 | Isuzu | NPR-HD | 5.7L V8 350 CID | With Crank Sensor Port Provision |
| 2002-2004 | Workhorse | FasTrack FT1061 | 5.7L V8 350 CID | With Crank Sensor Port Provision |
| 2000-2001 | Workhorse | FasTrack FT1260 | 5.7L V8 350 CID | With Crank Sensor Port Provision |
| 2002-2005 | Workhorse | FasTrack FT1261 | 5.7L V8 350 CID | With Crank Sensor Port Provision |
| 2000-2002 | Workhorse | FasTrack FT1460 | 5.7L V8 350 CID | With Crank Sensor Port Provision |
| 2002-2005 | Workhorse | FasTrack FT1461 | 5.7L V8 350 CID | With Crank Sensor Port Provision |
| 2000-2001 | Workhorse | FasTrack FT1600 | 5.7L V8 350 CID | With Crank Sensor Port Provision |
| 2002-2005 | Workhorse | FasTrack FT1601 | 5.7L V8 350 CID | With Crank Sensor Port Provision |
| 2000-2001 | Workhorse | FasTrack FT1800 | 5.7L V8 350 CID | With Crank Sensor Port Provision |
| 2002-2004 | Workhorse | FasTrack FT1801 | 5.7L V8 350 CID | With Crank Sensor Port Provision |
| 2002-2003 | Workhorse | FasTrack FT1802 | 5.7L V8 350 CID | With Crank Sensor Port Provision |
| 2000-2005 | Workhorse | P30 | 5.7L V8 350 CID | With Crank Sensor Port Provision |
| 2001-2002 | Workhorse | P32 | 5.7L V8 350 CID | With Crank Sensor Port Provision |
| 1999-2004 | Workhorse Custom Chassis | P42 | 5.7L V8 350 CID | With Crank Sensor Port Provision |
Specs:
| Application | Small Block Chevy |
|---|---|
| Brand | Holley |
| Crank Sensor Provision | Yes |
| Emission Code | 5 |
| Engine | Chevrolet VORTEC V8 |
| Finish | Satin Black |
| Gaskets Included | Yes |
| Material | Aluminum |
| Mounting Hardware Included | Yes |
| Product Type | Timing Chain Cover |
| Thickness | Standard OEM |
| Warranty | Limited 90 Day |
Interchange:
| Reference Name | Reference Number |
| OEM | 10244600 |
| OEM | 12523972 |
| OEM | 12523973 |
| OEM | 12558343 |
| OEM | 12562818 |
| OEM | 93800970 |
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
4.4 ★★★★★
Based on 29 reviews
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Product Reviews
★★★★★ 5
Gentle and Perfect for Sensitive Skin
Style: 16.7 fl oz
This is a great micellar water! I have very sensitive, acne-prone skin, and it hasn’t caused any redness or irritation at all. It removes makeup very easily and leaves my skin feeling clean and refreshed afterward. I also like to follow up with a mild face wash as part of a double cleanse routine; overall, it feels gentle, effective, and perfect for sensitive skin.
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Reviewed in the United States on May 21, 2026
★★★★★ 5
Whoa- I can’t believe this!
Style: 16.7 fl oz
I wanted to try this product for a very specific purpose, I have been looking at facial cleansing wipes to use occasionally at bedtime instead of stripping my face by doing a full wash with cleanser and water. I rarely wear makeup, I spend my energy on finding the best skincare products for my skin and sunscreen. So at bedtime usually, I’m just taking off sunscreen and the day’s grime, or if I didn’t go out, the day’s moisturizing products. I tried several brands of moist facial cleansing wipes, and they left behind a greasy film and my face still feels like it needs a full wash. I would never want to skip properly cleansing my skin, and I usually do a full routine while I shower, but it would be nice to be able to occasionally do something quicker and more convenient without sacrificing on quality. I was hoping this product might cleanse well without needing to be rinsed or breaking me out on occasions where I want something quick and convenient, or maybe am travelling and need a basic routine.
Wow, this product is not only perfect for that, it actually makes my skin soft and clean, you’d never know I skipped my regular cleansing and just used this Bioderma product with a cotton pad before my nighttime moisturizers/serum. It completely takes off the day’s water resistant facial sunscreen and any sweat or grime and leaves my skin very clean, soft, not dry, and it feels like there is no residue whatsoever. I also don’t break out or get clogged pores, it is just a clean, soft texture. One cotton pad with product is all takes for my entire face to look and feel just as clean as if I had used my regular products (a cleansing balm followed by a foaming cleanser and lots of rinsing with water).
I have used this micellar water quite a bit since receiving it, and have not broken out or had clogged pores from “cutting corners” so to speak. And it cleanses very well. I can’t believe how well it cleanses without needing to be rinsed, without irritating my skin, without clogging pores or causing breakouts, and is suitable to use and then put on my serum and nighttime moisturizer. I’ve even used it the next morning to remove the nighttime moisturizers and then put on my SPF.
I worried that I was going to cause my skin not to look as good if I didn’t properly wash and rinse with water but this product is so amazing. I have not yet used it to see how well it removes makeup since I rarely wear any, but just for skincare and cleansing without a full wash with regular water, it is so amazing. Not going to sugarcoat it, this is me wanting a convenient routine when I travel but this is also me being lazy on nights when I’m very tired or mornings when I am in a hurry.
I consider this one of my few holy grail skincare products. I have picked up a smaller size for travel. I will keep this on hand always. I’m not even looking at moist wipes anymore. (This product is more gentle and leaves no residue as compared to a dermatologist recommended brand of face wipes). I’m most surprised that it cleans my face so thoroughly and that not rinsing does not cause any irritation or breakouts. Just wow. Totally worth the price. I was going to try other brands but this product has been so good there is no need to.
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Reviewed in the United States on May 8, 2024
★★★★★ 5
Go to cleanser that’s simple, effective, and skin-friendly!
Style: 8.4 Fl Oz (Pack of 1)
I love this micellar water. It removes my makeup on the first pass with no harsh rubbing or irritation. Even around the eyes, it feels soothing rather than stinging, which isn’t always the case with makeup removers. It’s also fragrance free and lightweight, so it doesn’t leave behind any greasy or sticky residue.
Another major plus is the no-rinse formula. You can use it quickly with a cotton pad and be done, which makes it perfect for busy nights or when you just don’t feel like doing a full routine! It leaves your skin feeling clean, calm, and moisturized. Seriously gentle yet effective.
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Reviewed in the United States on May 3, 2026
★★★★★ 5
Gentle but removes makeup really well
Style: 16.7 fl oz
I really like this micellar water. I used to use a different brand, but I feel like this one does a better job removing my makeup while still being gentle on my skin.
I have sensitive skin with rosacea, and I wear liner, mascara, and eyeshadow daily. This removes everything from my eyes without needing a lot of rubbing or effort, which I really appreciate.
After using it, my skin feels very clean but also soft, not stripped or dry.
Overall, this has become my favorite micellar water and I’ll definitely keep repurchasing it.
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Reviewed in the United States on May 9, 2026
★★★★★ 5
Love this stuff!
Style: 3.4 Fl Oz (Pack of 1)
Literally the only micellar water that does not break me out. I have cystic acne prone skin, and my skin loves this stuff! Very gentle on the eyes and skin as a whole, while getting the makeup and dirt off well!
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Reviewed in the United States on May 19, 2026