SKU: 7090406893

Comp Cams Big Mutha' ThumprT 291THR7; Cam, Lifters

$341.53 $379.48
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Description

Comp Cams Big Mutha' ThumprT 291THR7; Cam, LiftersLifter Type: Retro Fit Hydraulic Roller Engine Family: Chevrolet 305 350 c. i. V8 1987 2002 Description: Street strip Needs 9. 5: 1 compression, 2800+ stall, intake, gears & headers Very rough idle Cam Family: Thumpr" Specifications: RPM Range: 2500 to 6200 Valve Timing: 0. 006 Lobe Separation: 107 Intake Centerline: 102 Valve Lash: Hyd. Intake Hyd. Exhaust Duration: 299 Intake 319 Exhaust Duration @ . 050" Lift: 243 Intake 257 Exhaust Valve Lift: 0.

Lifter Type:Retro-Fit Hydraulic Roller

Engine Family:Chevrolet 305/350 c.i. V8 1987-2002

Description:Street/strip  Needs 9.5:1 compression, 2800+ stall, intake, gears & headers  Very rough idle

Cam Family:Thumpr"

Specifications:

  • RPM Range:2500 to 6200
  • Valve Timing:0.006
  • Lobe Separation: 107°
  • Intake Centerline:102°
  • Valve Lash:Hyd.Intake/Hyd.Exhaust
  • Duration:299 Intake/319 Exhaust
  • Duration @ .050" Lift:243 Intake/257 Exhaust
  • Valve Lift:0.533 Intake/0.519 Exhaust
  • Lobe Lift:0.355 Intake/0.346 Exhaust


Vehicle Fitments:

Year Make Model Submodel
1987 - 1991 Avanti II Base
1991 - 1996 Buick Commercial Chassis Base
1991 - 1993 Buick Roadmaster Estate Wagon
1992 - 1993 Buick Roadmaster Limited, Base
1990 - 1992 Cadillac Brougham Base, d'Elegance
1992 - 1996 Cadillac Commercial Chassis Brougham, Base
1993 Cadillac Fleetwood Base, Brougham
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 - 1995 Chevrolet C1500 Cheyenne, Silverado
1988 - 1992 Chevrolet C1500 Scottsdale
1990 - 1995 Chevrolet C1500 WT
1992 - 1995 Chevrolet C1500 Suburban Base
1995 Chevrolet C1500 Suburban LT, LS
1992 - 1994 Chevrolet C1500 Suburban Silverado
1993 Chevrolet C2500 Custom, 400 SS
1988 - 1992 Chevrolet C2500 Scottsdale
1988 - 1995 Chevrolet C2500 Silverado, Cheyenne, Base
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 - 1992 Chevrolet C3500 Scottsdale
1988 - 1995 Chevrolet C3500 Silverado, Cheyenne
1988 Chevrolet Camaro Base
1987 - 1990 Chevrolet Camaro Iroc-Z
1989 - 1992 Chevrolet Camaro RS
1992 Chevrolet Camaro RS Heritage Edition, Z28 Heritage Edition
1987 Chevrolet Camaro Sport, LT
1987 - 1992 Chevrolet Camaro Z28
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 Base, SS
1996 Chevrolet Express 2500 Base, LS
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 Beauville, Hi-Cube, Sportvan, Chevy Van
1994 - 1995 Chevrolet K1500 Base
1988 - 1992 Chevrolet K1500 Scottsdale
1988 - 1995 Chevrolet K1500 Silverado, Cheyenne
1991 Chevrolet K1500 Sport
1990 - 1995 Chevrolet K1500 WT
1992 - 1995 Chevrolet K1500 Suburban Base
1995 Chevrolet K1500 Suburban LT, LS
1992 - 1994 Chevrolet K1500 Suburban Silverado
1988 - 1992 Chevrolet K2500 Scottsdale
1988 - 1995 Chevrolet K2500 Silverado, Cheyenne
1994 - 1995 Chevrolet K2500 WT, Base
1992 - 1995 Chevrolet K2500 Suburban Base
1995 Chevrolet K2500 Suburban LT, LS
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 Base, LS, SS
1987 - 1989 Chevrolet P20 Step-Van, Base
1987 - 1998 Chevrolet P30 Base
1987 - 1990 Chevrolet P30 Step-Van
1987 Chevrolet R10 Silverado, Scottsdale, Custom Deluxe
1987 Chevrolet R10 Suburban Custom Deluxe
1987 - 1988 Chevrolet R10 Suburban Silverado, Scottsdale
1989 - 1991 Chevrolet R1500 Suburban Silverado, Scottsdale
1988 Chevrolet R20 Cheyenne
1987 - 1988 Chevrolet R20 Scottsdale, Silverado, Custom Deluxe
1987 Chevrolet R20 Suburban Custom Deluxe
1987 - 1988 Chevrolet R20 Suburban Silverado, Scottsdale
1989 - 1991 Chevrolet R2500 Suburban Scottsdale, Silverado
1988 Chevrolet R30 Cheyenne
1987 - 1988 Chevrolet R30 Scottsdale, Custom Deluxe, Silverado
1989 - 1990 Chevrolet R3500 Scottsdale
1989 - 1991 Chevrolet R3500 Silverado, Cheyenne
1995 Chevrolet Tahoe LT, LS, Base
1987 Chevrolet V10 Scottsdale, Custom Deluxe, Silverado
1987 Chevrolet V10 Suburban Custom Deluxe
1987 - 1988 Chevrolet V10 Suburban Silverado, Scottsdale
1989 - 1991 Chevrolet V1500 Suburban Scottsdale, Silverado
1987 Chevrolet V20 Custom Deluxe, Silverado, Scottsdale
1987 Chevrolet V20 Suburban Custom Deluxe
1987 - 1988 Chevrolet V20 Suburban Scottsdale, Silverado
1989 - 1991 Chevrolet V2500 Suburban Scottsdale, Silverado
1988 Chevrolet V30 Cheyenne
1987 - 1988 Chevrolet V30 Custom Deluxe, Silverado, Scottsdale
1989 - 1991 Chevrolet V3500 Cheyenne, Silverado
1989 - 1990 Chevrolet V3500 Scottsdale
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 SLX, Sierra
1992 - 1995 GMC C1500 Suburban SLE, Base
1995 GMC C1500 Suburban SLT
1988 - 1995 GMC C2500 Sierra SLE
1994 - 1995 GMC C2500 Sierra SLT, Sierra SL
1988 - 1993 GMC C2500 Sierra SLX, Sierra
1992 - 1995 GMC C2500 Suburban Base, SLE
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 Diablo, Base
1987 - 1995 GMC G1500 Rally STX, Rally, Vandura
1987 - 1995 GMC G2500 Rally STX, Vandura, Rally
1987 - 1996 GMC G3500 Rally Camper Special, Vandura, Vandura Special, Magnavan, 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
1988 - 1993 GMC K1500 Sierra SLX, Sierra
1993 GMC K1500 Sierra Sport
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 Base, SLE
1995 GMC K2500 Suburban SLT
1994 - 1995 GMC K3500 Sierra SL, Sierra SLT
1988 - 1995 GMC K3500 Sierra SLE
1988 - 1993 GMC K3500 Sierra SLX, Sierra
1987 - 1989 GMC P2500 Value Van, Base
1987 - 1996 GMC P3500 Base
1987 - 1990 GMC P3500 Value Van
1987 GMC R1500 Sierra Classic, High Sierra, Base
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 Base, Sierra Classic, High Sierra
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 High Sierra, Sierra Classic
1990 - 1991 GMC R3500 SLE
1987 GMC V1500 Base, Sierra Classic, High Sierra
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, Sierra Classic, High Sierra
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
1989 - 1992 Pontiac Firebird Formula, Trans Am GTA
1989 Pontiac Firebird Trans Am GTA SE
1987 - 1992 Pontiac Firebird Trans Am, Base
1987 Pontiac Grand Prix LE, Brougham, Base
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: 7090406893

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4.8 ★★★★★
Based on 24 reviews
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G
Verified Purchase
Gianluca
Lexington, US
★★★★★ 5
Great price and very quiet
Color: Black
I use the Honeywell TurboForce HT-900 in my home office to help with airflow around my computer setup, and it’s been a solid performer for the price. Despite its small size, it moves a surprising amount of air. On high, it pushes a strong, focused stream that actually reaches across the room. Medium is what I use most often since it balances good circulation with reasonable noise, and low is quiet enough to run in the background without being distracting. Noise levels are generally acceptable. Low and medium are fairly quiet with a consistent hum, while high is noticeably louder but still not unbearable for short bursts. It’s also very simple to position and use. The head tilts easily, so you can aim airflow exactly where you need it, and the compact size makes it easy to place on a desk without taking up much space. Overall, it’s a straightforward, no-frills fan that does its job well. Strong airflow, simple controls, and good value for the price.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 30, 2026
B
Verified Purchase
Brandy Mullane
Pawtucket, US
★★★★★ 5
Powerful and long lasting
Color: Black
I purchased a blue colored one in May 2022 and it finally went out a few days ago. I ran this thing almost constantly as im going through menopause and it came to be a staple at my bedside. 4 years of running ALL THE TIME! Great little fan with a ton of airflow to keep me cool during night sweats. And it has just enough white noise to distract from outside noise. Also, the motor power never differentiated after using for so long. It was still strong. I just ordered another one to replace it and cant wait for it to arrive so I can sleep again! Only thing is they only have bakck or white instead of blue this time but thats ok as long as it performs.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 14, 2026
M
Verified Purchase
Morocco Victor Parker
San Leandro, US
★★★★★ 4
Small fan, serious power
Color: Black
I bought the Honeywell Turboforce Fan for my bedroom, and I’m honestly impressed with how powerful this little thing is. Don’t let the compact size fool you — it moves a lot of air. On the lowest setting it’s perfect for a gentle breeze while sleeping, and the higher settings can easily cool down a medium-sized room or help circulate AC much more efficiently. The 90-degree pivoting head is a great feature. I can angle it upward for better air circulation or point it directly at me when it’s extra hot. It’s lightweight, easy to move around, and doesn’t take up much space on a desk or nightstand. It can also be wall-mounted, which is a nice bonus. Noise level is reasonable. On low, it’s actually a pleasant white noise. Medium and high are louder, but not in an annoying way — just the sound of strong airflow. Build quality feels solid for the price, and it’s been running daily without any issues. For the cost, this fan seriously overperforms. If you need a compact, affordable, and powerful fan, this is a no-brainer. I’d absolutely buy it again.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 23, 2026
D
Verified Purchase
Dk
Port Orchard, US
★★★★★ 5
Great powerful little fan, good deal.
Color: Black
Nice powerful fan, good price! larger than an average desktop fan, keeps the air moving, and is fairly quiet.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 19, 2026
J
Verified Purchase
john redcorn
Los Angeles, US
★★★★★ 5
Good value for a powerful fan.
Color: Black
Powerful fan. It’s just a 100 square foot room but you can feel the fan clear across the room. The unit feels durable but it is also extremely lightweight. Easy to move room to room. The fan can face straight ahead or angle to face upwards. It is easy to change the angle of the fan, simply tilt the body and it clicks into place. It does not face downward. When faced upwards it does well to circulate air around the room. It is somewhat loud on higher settings but that is to be expected. At $14.99 this was priced a bit lower than similar units. It’s a good value so far as it is performing well.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 26, 2026

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