Shipping Estimate
USA
- USA
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- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 15 - Jul 20
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Description
Cam Sync Kit, +600/1.0 inch Raised Cam 556-121Big Block Chevy w +600 1. 0 Inch Raised Cam Height; For external, dry timing belt, cam drive systems Features: Fits Big Block Chevy engines w JESEL and similar external, dry timing belt, cam drive systems1 Includes 3 wire hall effect sensor (8 20 volts), anodized billet aluminum bracket, mounting hardware, mating connector, and stainless steel ?? 20 ? flying magnet? screw w high temp, rare earth magnet2 Unique t nut and bracket design allows for
Big Block Chevy w/ +600/1.0 Inch Raised Cam Height; For external, dry timing-belt, cam drive systems
Features:
- Fits Big Block Chevy engines w/ JESEL and similar external, dry timing-belt, cam drive systems1
- Includes 3 wire hall-effect sensor (8-20 volts), anodized billet aluminum bracket, mounting hardware, mating connector, and stainless steel ??-20 ?flying magnet? screw w/ high-temp, rare-earth magnet2
- Unique t-nut and bracket design allows for complete sensor adjustment from the outside of the bracket with a single jam nut3
- Designed to provide a plug-&-play cam position signal to Holley EFI systems; Also compatible with any EFI system which can read a digital, square-wave cam input signal4
- Bracket assembly can be mounted in up to five locations to accommodate various cam-drive systems and front accessory drive configurations5
Specs:
| Bolt Hole Quantity | 2 |
|---|---|
| Brand | Holley EFI |
| Category Filter | Fuel Injection - EFI |
| Clearance Category | Air and Fuel Delivery |
| Color | Black |
| Discount Percentage | 26-50% |
| Emission Code | 4 |
| Grade Type | Performance |
| Mounting Bracket Included | Yes |
| Mounting Hardware Included | Yes |
| Mounting Type | Bolt On |
| Product Type | Hall Effect Cam Sync |
| Sensor Type | Hall Effect |
| Warning | California Proposition 65 |
| Wire Quantity | 3 |
Application:
| Year | Make | Model | Submodel |
|---|---|---|---|
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
4.1 ★★★★★
Based on 520 reviews
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Product Reviews
★★★★★ 5
Sound deadening the Hot Rod
Size: 20 sqft, Size: 20 sqft
Works well, good value for the money.
It’s very sticky and conforms to what you are applying it to. One 20 sq ft box did approximately the passenger side
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 3, 2026
★★★★★ 5
Good stuff
Size: 50 sqft, Size: 50 sqft
Good stuff. I did a lot of work on my 91 Toyota Land Cruiser 3FE. I did the inside and outside doors, as well as the under-hood area, with some extra work. I like this stuff. It sticks down good but you have to clean your surface so there's a good grip. I think these are going to do well for noise cancellation. The deadening material does well with absorbing vibrations too. But the install roller tools it will come in handy. Trust me trying to do it by hand is not worth it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 6, 2026
★★★★★ 4
Good quality
Size: 10 sqft
I wish it was a little better but it definitely works great and look good for how cheap it is
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 23, 2026
★★★★★ 5
Works well
Size: 10 sqft
Worked great at a budget price.
I used it to damp a fiberglass loudspeaker horn. Easy to work with too.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 8, 2026
★★★★★ 5
Good material but bites back
Size: 20 sqft
Very good product for my rear trunk and backseat on my mustang. I would recommend some type of gloves due to the foil itself when placing down will cut up your hands and fingers. Overall good product for its price.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 23, 2026
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