SKU: 27389800803

Comp Cams CS 291T HR-107 MT THUMPR CAM & LFTR KIT

$382.67 $425.19
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Description

Comp Cams CS 291T HR-107 MT THUMPR CAM & LFTR KITMutha Thumpr 291THR7; Cam, Lifters Lifter Type: OE Style Hydraulic Roller Description: High performance street strip Needs 9: 1 compression, 2500+ stall, intake, gears & headers Rough idle Cam Family: Thumpr Specifications RPM Range: 2200 to 5900 Valve Timing: 0. 006 Lobe Separation: 107 Intake Centerline: 102 Vehicle Fitments: Year Make Model Submodel 1987 1991 Avanti II Base 1991 1996 Buick Commercial Chassis Base 1992 1993 Buick Roadmaster Base,

Mutha Thumpr 291THR7; Cam, Lifters

Lifter Type:  OE-Style Hydraulic Roller

Description:  High performance street/strip Needs 9:1 compression, 2500+ stall, intake, gears & headers Rough idle

Cam Family:  Thumpr

Specifications

RPM Range: 2200 to 5900

Valve Timing: 0.006

Lobe Separation:  107°  

Intake Centerline: 102° 



Vehicle Fitments:

Year Make Model Submodel
1987 - 1991 Avanti II Base
1991 - 1996 Buick Commercial Chassis Base
1992 - 1993 Buick Roadmaster Base, Limited
1991 - 1993 Buick Roadmaster Estate Wagon
1990 - 1992 Cadillac Brougham Base, d'Elegance
1992 - 1996 Cadillac Commercial Chassis Brougham, Base
1993 Cadillac Fleetwood Brougham, Base
1994 Chevrolet Blazer Base, Silverado Sport
1992 - 1993 Chevrolet Blazer Cheyenne
1987 Chevrolet Blazer Custom Deluxe
1991 - 1994 Chevrolet Blazer Nevada
1988 - 1991 Chevrolet Blazer Scottsdale
1987 - 1994 Chevrolet Blazer Silverado
1990 - 1993 Chevrolet C1500 454 SS
1989 - 1995 Chevrolet C1500 Base
1988 - 1992 Chevrolet C1500 Scottsdale
1988 - 1995 Chevrolet C1500 Silverado, Cheyenne
1990 - 1995 Chevrolet C1500 WT
1992 - 1995 Chevrolet C1500 Suburban Base
1995 Chevrolet C1500 Suburban LT, LS
1992 - 1994 Chevrolet C1500 Suburban Silverado
1988 - 1995 Chevrolet C2500 Base, Silverado, Cheyenne
1993 Chevrolet C2500 Custom, 400 SS
1988 - 1992 Chevrolet C2500 Scottsdale
1994 - 1995 Chevrolet C2500 WT
1992 - 1995 Chevrolet C2500 Suburban Base
1995 Chevrolet C2500 Suburban LT, LS
1992 - 1994 Chevrolet C2500 Suburban Silverado
1994 - 1995 Chevrolet C3500 Base
1988 - 1995 Chevrolet C3500 Cheyenne, Silverado
1988 - 1992 Chevrolet C3500 Scottsdale
1988 Chevrolet Camaro Base
1987 - 1990 Chevrolet Camaro Iroc-Z
1989 - 1992 Chevrolet Camaro RS
1987 Chevrolet Camaro Sport, LT
1987 - 1992 Chevrolet Camaro Z28
1992 Chevrolet Camaro Z28 Heritage Edition, RS Heritage Edition
1987 - 1992 Chevrolet Caprice Base
1987 - 1993 Chevrolet Caprice Classic
1987 - 1990 Chevrolet Caprice Classic Brougham, Classic LS Brougham
1993 Chevrolet Caprice Classic LS
1991 - 1993 Chevrolet Caprice Classic LTZ
1991 - 1994 Chevrolet Commercial Chassis Base
1988 Chevrolet Corvette 35th Anniversary Edition
1987 - 1991 Chevrolet Corvette Base
1990 - 1991 Chevrolet Corvette ZR-1
1987 Chevrolet El Camino SS, Base
1996 Chevrolet Express 2500 LS, Base
1987 Chevrolet G10 Bonaventure
1987 - 1995 Chevrolet G10 Chevy Van, Beauville, Sportvan
1995 Chevrolet G20 Base
1987 - 1995 Chevrolet G20 Sportvan, Chevy Van, Beauville
1987 - 1996 Chevrolet G30 Sportvan, Hi-Cube, Chevy Van, Beauville
1994 - 1995 Chevrolet K1500 Base
1988 - 1995 Chevrolet K1500 Cheyenne, Silverado
1988 - 1992 Chevrolet K1500 Scottsdale
1991 Chevrolet K1500 Sport
1990 - 1995 Chevrolet K1500 WT
1992 - 1995 Chevrolet K1500 Suburban Base
1995 Chevrolet K1500 Suburban LS, LT
1992 - 1994 Chevrolet K1500 Suburban Silverado
1994 - 1995 Chevrolet K2500 Base, WT
1988 - 1995 Chevrolet K2500 Cheyenne, Silverado
1988 - 1992 Chevrolet K2500 Scottsdale
1992 - 1995 Chevrolet K2500 Suburban Base
1995 Chevrolet K2500 Suburban LS, LT
1992 - 1994 Chevrolet K2500 Suburban Silverado
1994 - 1995 Chevrolet K3500 Base
1988 - 1995 Chevrolet K3500 Cheyenne, Silverado
1988 - 1992 Chevrolet K3500 Scottsdale
1987 - 1988 Chevrolet Monte Carlo LS, SS, Base
1987 - 1989 Chevrolet P20 Base, Step-Van
1987 - 1998 Chevrolet P30 Base
1987 - 1990 Chevrolet P30 Step-Van
1987 Chevrolet R10 Scottsdale, Custom Deluxe, Silverado
1987 Chevrolet R10 Suburban Custom Deluxe
1987 - 1988 Chevrolet R10 Suburban Scottsdale, Silverado
1989 - 1991 Chevrolet R1500 Suburban Scottsdale, Silverado
1988 Chevrolet R20 Cheyenne
1987 - 1988 Chevrolet R20 Scottsdale, Silverado, Custom Deluxe
1987 Chevrolet R20 Suburban Custom Deluxe
1987 - 1988 Chevrolet R20 Suburban Scottsdale, Silverado
1989 Chevrolet R2500 Cheyenne, Scottsdale, Silverado
1989 - 1991 Chevrolet R2500 Suburban Scottsdale, Silverado
1988 Chevrolet R30 Cheyenne
1987 - 1988 Chevrolet R30 Scottsdale, Silverado, Custom Deluxe
1989 - 1990 Chevrolet R3500 Scottsdale
1989 - 1991 Chevrolet R3500 Silverado, Cheyenne
1995 Chevrolet Tahoe LT, Base, LS
1987 Chevrolet V10 Scottsdale, Custom Deluxe, Silverado
1987 Chevrolet V10 Suburban Custom Deluxe
1987 - 1988 Chevrolet V10 Suburban Scottsdale, Silverado
1989 - 1991 Chevrolet V1500 Suburban Silverado, Scottsdale
1987 Chevrolet V20 Silverado, Custom Deluxe, Scottsdale
1987 Chevrolet V20 Suburban Custom Deluxe
1987 - 1988 Chevrolet V20 Suburban Silverado, Scottsdale
1989 - 1991 Chevrolet V2500 Suburban Scottsdale, Silverado
1988 Chevrolet V30 Cheyenne
1987 - 1988 Chevrolet V30 Scottsdale, Silverado, Custom Deluxe
1989 - 1990 Chevrolet V3500 Scottsdale
1989 - 1991 Chevrolet V3500 Silverado, Cheyenne
1993 Excalibur Limited Base
1987 - 1989 Excalibur Phaeton Base
1994 - 1995 GMC C1500 Sierra SL, Sierra SLT, Sierra Special
1988 - 1995 GMC C1500 Sierra SLE
1988 - 1993 GMC C1500 Sierra, Sierra SLX
1992 - 1995 GMC C1500 Suburban Base, SLE
1995 GMC C1500 Suburban SLT
1988 - 1995 GMC C2500 Sierra SLE
1994 - 1995 GMC C2500 Sierra SLT, Sierra SL
1988 - 1993 GMC C2500 Sierra, Sierra SLX
1992 - 1995 GMC C2500 Suburban SLE, Base
1995 GMC C2500 Suburban SLT
1988 - 1995 GMC C3500 Sierra SLE
1994 - 1995 GMC C3500 Sierra SLT, Sierra SL
1988 - 1993 GMC C3500 Sierra SLX, Sierra
1987 GMC Caballero Base, Diablo
1987 - 1995 GMC G1500 Vandura, Rally, Rally STX
1987 - 1995 GMC G2500 Rally, Vandura, Rally STX
1987 - 1996 GMC G3500 Rally Camper Special, Magnavan, Vandura Special, Vandura, Rally STX, Rally
1987 - 1988 GMC G3500 Rally Custom
1987 - 1991 GMC Jimmy Base
1987 - 1990 GMC Jimmy Sierra Classic
1988 - 1995 GMC K1500 Sierra SLE
1995 GMC K1500 Sierra SLS
1994 - 1995 GMC K1500 Sierra SLT, Sierra Special, Sierra SL
1993 GMC K1500 Sierra Sport
1988 - 1993 GMC K1500 Sierra, Sierra SLX
1992 - 1995 GMC K1500 Suburban Base, SLE
1995 GMC K1500 Suburban SLT
1988 - 1995 GMC K2500 Sierra SLE
1994 - 1995 GMC K2500 Sierra SLT, Sierra SL
1988 - 1993 GMC K2500 Sierra SLX, Sierra
1992 - 1995 GMC K2500 Suburban SLE, Base
1995 GMC K2500 Suburban SLT
1988 - 1995 GMC K3500 Sierra SLE
1994 - 1995 GMC K3500 Sierra SLT, Sierra SL
1988 - 1993 GMC K3500 Sierra SLX, Sierra
1987 - 1989 GMC P2500 Base, Value Van
1987 - 1996 GMC P3500 Base
1987 - 1990 GMC P3500 Value Van
1987 GMC R1500 High Sierra, Base, Sierra Classic
1987 - 1991 GMC R1500 Suburban Base
1987 GMC R1500 Suburban High Sierra
1987 - 1989 GMC R1500 Suburban Sierra Classic
1990 GMC R1500 Suburban SLE
1987 - 1989 GMC R2500 High Sierra, Sierra Classic, Base
1987 - 1991 GMC R2500 Suburban Base
1987 GMC R2500 Suburban High Sierra
1987 - 1989 GMC R2500 Suburban Sierra Classic
1990 GMC R2500 Suburban SLE
1987 - 1991 GMC R3500 Base
1987 - 1989 GMC R3500 Sierra Classic, High Sierra
1990 - 1991 GMC R3500 SLE
1987 GMC V1500 High Sierra, Sierra Classic, Base
1987 - 1991 GMC V1500 Suburban Base
1987 GMC V1500 Suburban High Sierra
1987 - 1989 GMC V1500 Suburban Sierra Classic
1990 GMC V1500 Suburban SLE
1987 GMC V2500 Base, High Sierra, Sierra Classic
1987 - 1991 GMC V2500 Suburban Base
1987 GMC V2500 Suburban High Sierra
1987 - 1989 GMC V2500 Suburban Sierra Classic
1990 GMC V2500 Suburban SLE
1987 - 1991 GMC V3500 Base
1987 - 1989 GMC V3500 Sierra Classic, High Sierra
1990 - 1991 GMC V3500 SLE
1993 GMC Yukon GT
1992 - 1995 GMC Yukon SLE, Base
1995 GMC Yukon SLT
1992 - 1994 GMC Yukon Sport
1991 - 1992 Oldsmobile Custom Cruiser Base
1987 - 1992 Pontiac Firebird Base, Trans Am
1989 Pontiac Firebird Trans Am GTA SE
1989 - 1992 Pontiac Firebird Trans Am GTA, Formula
1987 Pontiac Grand Prix Base, LE, Brougham
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: 27389800803

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4.5 ★★★★★
Based on 24 reviews
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Product Reviews
C
Verified Purchase
Cleaver
San Leandro, US
★★★★★ 4
Best product I've tried so far but still temporary. YMMV.
Size: 1 Count (Pack of 1)
This product really does work. It is the best I've used. I purchased in September 2024 and am writing this review in May of 2026, roughly one year and 8 months later. I noticed product failure a little after a year after application and it has been degrading slowly since. Currently the product is visible like a layer of clear paint flaking off and you can physically scratch some off. Here are the pros and cons. Pros: Clarity, relative ease of use, value Cons: Taping and sanding, doesn't last for as long as you own your car as claimed Best used as a temporary fix. Bottom line, would I use it again? Yes. What am I doing today? Replacing the headlights completely. Why? I plan on keeping my car for longer than a year.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 8, 2026
S
Verified Purchase
Sahiti
Battle Creek, US
★★★★★ 5
Review After Using on 3 Different Cars over 3 years
Size: 1 Count (Pack of 1)
Cerakote Headlight Restoration Kit : After Using on 3 Different Cars over 3 years This is my second time purchasing the Cerakote Headlight Restoration Kit, and I’ve now used it across three different vehicles. At this point, I feel comfortable saying this product genuinely works when used correctly. Before trying this kit, I considered replacing my headlights entirely. The cheapest replacement set I found was around $150 just for the parts. Installation would have required removing the grille, bumper, and other components, which adds time and complexity. For an older vehicle, that didn’t make financial sense. Instead, I chose to restore the original headlights. Cost and Value My first package cost me $17, and I restored two cars with that single kit ( about 9$ per pair). That alone made it worth it. For under $20: I restored two separate vehicles Avoided buying new headlight assemblies Avoided removing the bumper and grille Compared to a $150+ replacement plus labor, the savings are significant. Durability 1 year+ under direct Cali sunlight (currently on year 2 and still good) First Car – Learning the Process The first time I used the kit, my results were decent but not perfect. That was mainly because I didn’t fully understand how sanding and polishing actually work. ( this reoxidized fastest under 8 months, but it was mostly my fault) I didn’t initially realize: The headlight needs to stay wet during sanding Oxidation must be completely removed before applying clear coat Even pressure matters/ 50% overlap coverage when appling ceramic Once I understood that sanding is the most important step, everything improved. Second Car (beater) Major Improvement The second vehicle was heavily oxidized and yellowed. I used the remaining material from that same $17 kit and restored it completely. The clarity difference was dramatic. It looked close to factory condition, and night visibility noticeably improved. That was when I realized the product itself is solid; the key is proper technique. Third Car ; Recent purchase By the third car, the process felt straightforward. I followed the instructions carefully, kept the surface wet while sanding, and applied the clear coat evenly in one smooth pass. The final result was clear, glossy, and uniform. No haze, no streaking. Durability On my first vehicle, the restoration lasted close to a year perfectly( I sold that car this year and it still had clear headlights), and that car was parked outside in direct sun most days. For a DIY kit at this price point, that level of durability is impressive. Final Thoughts I seriously considered spending $150 on replacement headlights( this was cheapest ) and dealing with removing body panels. Instead, I spent $17 and restored two cars. Now having used it on three vehicles, I can say this kit is effective, cost-efficient, and worth the time if you follow the process properly. It does require effort and patience, but the results justify it. I would purchase it again.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 18, 2026
Y
Verified Purchase
YetAnotherITGuy
West Palm Beach, US
★★★★★ 5
works as advertised!
Size: 1 Count (Pack of 1)
I purchased this kit to renew the headlights on my 2016 Nissan Frontier pick-up. The headlights had become slightly oxidized and dull -- not that bad but it was bothering me and for the price of the kit I figured it was worth the effort to attempt to renew them. All I can say is -- WOW, what a difference. The end result looked like new -- clean, brilliant and bright. Read the directions (2 or 3 times) and follow them EXACTLY. Total time for me from opening the kit to being done was about 2 hours and I was taking my time. This kit is different in that the final step applies a UV resistant coating which really makes the glass super transparent. Great investment in the time and money. I can't stop admiring my new (old) headlights!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 14, 2026
A
Verified Purchase
Alex
Boise, US
★★★★★ 5
Incredible Results! The "Z-Line" is Back!
Size: 1 Count (Pack of 1), Size: 1 Count (Pack of 1)
I’ve tried a few "wipe-on" fixes in the past, but the CERAKOTE® Ceramic Headlight Restoration Kit is in a completely different league. If you are tired of hazy, yellowed lenses and weak nighttime visibility, look no further. 📖 Instructions & Ease of Use The first thing that stood out was the clarity of the instructions. The kit breaks everything down into a simple, step-by-step process. Even if you aren't a "car person," the directions are foolproof. They don't just tell you what to do; they explain why each step matters, which gave me the confidence to get the job done right the first time. ✨ Restoration Effectiveness As you can see in my Before and After photos, the transformation is night and day. My headlights went from a dull, oxidized yellow to a factory-fresh, crystal-clear finish. It didn't just "clean" them—it completely rejuvenated the plastic. 🔦 The Real Test: Light Output & Beam Pattern The most impressive part isn't just how the car looks, but how it performs at night. I’ve included a photo of my car parked against a wall in the dark to show the comparison: Passenger Side (Restored): You can see a sharp, distinct cutoff line and the perfect "Z-line" pattern. The light is focused exactly where it needs to be on the road. Driver Side (Not Restored yet): The light is completely distorted. There is no cutoff, just a messy blob of light that scatters everywhere, likely blinding oncoming traffic while providing less actual visibility for me. Final Verdict This kit doesn't just make your car look better; it’s a genuine safety upgrade. Seeing that crisp Z-line back on the wall proves that the clarity is internal as well as external. Highly recommended!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 15, 2026
T
Verified Purchase
Tricia R
Natrona Heights, US
★★★★★ 5
My first experience using one of these, it worked VERY well!
Size: 01- 24pcs (Classic Green)
Our tire picked up a large bolt that we could hear clicking when we were driving, and our low pressure warning light lit on our dash. Yep---tire was 7 psi below recommended (32 down to 25), I could not see the leak site and we were far from home so I drove some more then checked again. Just one more psi down over those 20 miles so all the way home (100 miles more) we drove. By that time I was able to find the leaking spot and see the bolt head had ground off or broken off. It was just a very slow leak, a few psi more per day, but I knew it would only get worse. I decided to order this kit after reading reviews & don't believe the haters. It worked so well for me it is worthy of my time to write of my experience. The tools to me all seem robust & top notch, especially for the price. There are multiple straps inside the nice case to secure them in place. YES---you have to use your own pliers but come on---don't ding the product when that is spelled out clearly in the description! So---I had the huge benefit of allowing a full day in my own garage to do this. I pulled the wheel since others had said it much easier that way. I then used my pliers to pull the remaining bolt out of the tire and immediately heard the air rush out. "That's a pretty big hole!" I thought. I reamed the hole easily, lubed the plug installation tool, centered one plug strip in the tool and pushed it in all the way except about 1" left outside the tire. I aired up the tire after about 5 minutes of what I thought would be "cure time" but don't know if that's necessary. After my initial inflation to full pressure the tire actually did leak down a bit over a few hours. A few cycles of this and it has stayed sealed completely ever since....not even down a pound! I assume this was the time the vulcanizing compound (already applied to the plugs) took to seal to the tire....maybe if I had driven on it right away (heat generated and varying forces) it would not have leaked out. My initial fear of "huge hole" and assuming I might need to plug twice or use 2 plugs the fear was unfounded. I will update this post if something goes awry. For now I am one happy customer as well as a happy camper. I'd strongly recommend this kit based on my experience, plus I have the remaining patches & tools if needed again. I hope this helps you with your decision/choice.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 27, 2024

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