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USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 5 - Jul 10
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For Your Every Summer RSVP, with Code: SUMMER15
Description
BBK 85-97 GM Truck 305 350 Underdrive Pulley Kit - Lightweight CNC Billet Aluminum (3pc)Install a set of BBK performance underdrive pulleys and see an average of 8 15 additional horsepower over the stock pulleys. Under drive pulleys increase engine output by reducing the draw of the engines accessories by slowing them down and reducing the HP they use. Additional and significant performance improvements can be seen by reducing the weight of the pulley versus the original pulley which is why we recommend the BBK CNC Machined billet
Install a set of BBK performance underdrive pulleys and see an average of 8-15 additional horsepower over the stock pulleys. Under drive pulleys increase engine output by reducing the draw of the engines accessories by slowing them down and reducing the HP they use. Additional and significant performance improvements can be seen by reducing the weight of the pulley versus the original pulley which is why we recommend the BBK CNC Machined billet aluminum pulley kits for maximum horsepower gains. ALL BBK pulley kits are designed as direct bolt on replacements for the current factory pulleys and retain full cooling and charging characteristics. BBK under drive pulley kits are vehicle specific and each kit comes with complete installation instructions and allow the re-use of existing serpentine belts.
Installation InstructionsWarranty
Installation Instructions
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1987 | Chevrolet | Blazer | Custom Deluxe |
| 1987 | Chevrolet | Blazer | Silverado |
| 1985-1986 | Chevrolet | C10 | Custom |
| 1985-1986 | Chevrolet | C10 | Scottsdale |
| 1985-1986 | Chevrolet | C10 | Silverado |
| 1985-1986 | Chevrolet | C10 Suburban | Custom |
| 1985-1986 | Chevrolet | C10 Suburban | Scottsdale |
| 1985-1986 | Chevrolet | C10 Suburban | Silverado |
| 1985-1986 | Chevrolet | C20 | Custom |
| 1985-1986 | Chevrolet | C20 | Scottsdale |
| 1985-1986 | Chevrolet | C20 | Silverado |
| 1985-1986 | Chevrolet | C20 Suburban | Custom |
| 1985-1986 | Chevrolet | C20 Suburban | Scottsdale |
| 1985-1986 | Chevrolet | C20 Suburban | Silverado |
| 1985-1986 | Chevrolet | C30 | Custom |
| 1985-1986 | Chevrolet | C30 | Scottsdale |
| 1985-1986 | Chevrolet | C30 | Silverado |
| 1985-1986 | Chevrolet | Camaro | Berlinetta |
| 1985-1987 | Chevrolet | Camaro | Iroc-Z |
| 1987 | Chevrolet | Camaro | LT |
| 1985-1987 | Chevrolet | Camaro | Sport |
| 1985-1987 | Chevrolet | Camaro | Z28 |
| 1986-1987 | Chevrolet | Caprice | Base |
| 1985-1987 | Chevrolet | Caprice | Classic |
| 1986-1987 | Chevrolet | Caprice | Classic Brougham |
| 1987 | Chevrolet | Caprice | Classic LS Brougham |
| 1985 | Chevrolet | Impala | Base |
| 1985-1986 | Chevrolet | K10 | Custom |
| 1985-1986 | Chevrolet | K10 | Scottsdale |
| 1985-1986 | Chevrolet | K10 | Silverado |
| 1985-1986 | Chevrolet | K10 Suburban | Custom |
| 1985-1986 | Chevrolet | K10 Suburban | Scottsdale |
| 1985-1986 | Chevrolet | K10 Suburban | Silverado |
| 1985-1986 | Chevrolet | K20 | Custom |
| 1985-1986 | Chevrolet | K20 | Scottsdale |
| 1985-1986 | Chevrolet | K20 | Silverado |
| 1985-1986 | Chevrolet | K20 Suburban | Custom |
| 1985-1986 | Chevrolet | K20 Suburban | Scottsdale |
| 1985-1986 | Chevrolet | K20 Suburban | Silverado |
| 1985-1986 | Chevrolet | K30 | Custom |
| 1985-1986 | Chevrolet | K30 | Scottsdale |
| 1985-1986 | Chevrolet | K30 | Silverado |
| 1985-1986 | Chevrolet | K5 Blazer | Custom |
| 1985-1986 | Chevrolet | K5 Blazer | Silverado |
| 1985-1987 | Chevrolet | Monte Carlo | Base |
| 1986-1987 | Chevrolet | Monte Carlo | LS |
| 1985-1987 | Chevrolet | Monte Carlo | SS |
| 1987 | Chevrolet | R10 | Custom Deluxe |
| 1987 | Chevrolet | R10 | Scottsdale |
| 1987 | Chevrolet | R10 | Silverado |
| 1987 | Chevrolet | R10 Suburban | Custom Deluxe |
| 1987 | Chevrolet | R10 Suburban | Scottsdale |
| 1987 | Chevrolet | R10 Suburban | Silverado |
| 1987-1988 | Chevrolet | R20 | Custom Deluxe |
| 1987 | Chevrolet | R20 | Scottsdale |
| 1987 | Chevrolet | R20 | Silverado |
| 1987 | Chevrolet | R20 Suburban | Custom Deluxe |
| 1987 | Chevrolet | R20 Suburban | Scottsdale |
| 1987 | Chevrolet | R20 Suburban | Silverado |
| 1987 | Chevrolet | R30 | Custom Deluxe |
| 1987 | Chevrolet | R30 | Scottsdale |
| 1987 | Chevrolet | R30 | Silverado |
| 1987 | Chevrolet | V10 | Custom Deluxe |
| 1987 | Chevrolet | V10 | Scottsdale |
| 1987 | Chevrolet | V10 | Silverado |
| 1987 | Chevrolet | V20 | Custom Deluxe |
| 1987 | Chevrolet | V20 | Scottsdale |
| 1987 | Chevrolet | V20 | Silverado |
| 1987 | Chevrolet | V30 | Custom Deluxe |
| 1987 | Chevrolet | V30 | Scottsdale |
| 1987 | Chevrolet | V30 | Silverado |
| 1985-1986 | GMC | C1500 | Base |
| 1985-1986 | GMC | C1500 | High Sierra |
| 1985-1986 | GMC | C1500 | Sierra Classic |
| 1985-1986 | GMC | C2500 | Base |
| 1985-1986 | GMC | C2500 | High Sierra |
| 1985-1986 | GMC | C2500 | Sierra Classic |
| 1985-1986 | GMC | C3500 | Base |
| 1985-1986 | GMC | C3500 | High Sierra |
| 1985-1986 | GMC | C3500 | Sierra Classic |
| 1985-1986 | GMC | K1500 | Base |
| 1985-1986 | GMC | K1500 | High Sierra |
| 1985-1986 | GMC | K1500 | Sierra Classic |
| 1985-1986 | GMC | K2500 | Base |
| 1985-1986 | GMC | K2500 | High Sierra |
| 1985-1986 | GMC | K2500 | Sierra Classic |
| 1985-1986 | GMC | K3500 | Base |
| 1985-1986 | GMC | K3500 | High Sierra |
| 1985-1986 | GMC | K3500 | Sierra Classic |
| 1987 | GMC | R1500 | Base |
| 1987 | GMC | R1500 | High Sierra |
| 1987 | GMC | R1500 | Sierra Classic |
| 1987 | GMC | R1500 Suburban | Base |
| 1987 | GMC | R1500 Suburban | High Sierra |
| 1987 | GMC | R1500 Suburban | Sierra Classic |
| 1987 | GMC | R2500 | Base |
| 1987 | GMC | R2500 | High Sierra |
| 1987 | GMC | R2500 | Sierra Classic |
| 1987 | GMC | R3500 | Base |
| 1987 | GMC | R3500 | High Sierra |
| 1987 | GMC | R3500 | Sierra Classic |
| 1987 | GMC | V1500 | Base |
| 1987 | GMC | V1500 | High Sierra |
| 1987 | GMC | V1500 | Sierra Classic |
| 1987 | GMC | V2500 | Base |
| 1987 | GMC | V2500 | High Sierra |
| 1987 | GMC | V2500 | Sierra Classic |
| 1987 | GMC | V3500 | Base |
| 1987 | GMC | V3500 | High Sierra |
| 1987 | GMC | V3500 | Sierra Classic |
| 1985-1987 | Pontiac | Firebird | Base |
| 1985-1986 | Pontiac | Firebird | S/E |
| 1985-1987 | Pontiac | Firebird | Trans Am |
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 1540 reviews
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Product Reviews
★★★★★ 5
Wow Great Deal!
Color: Black
I have been using this chair for a month now and I am honestly impressed for the price I paid. I work from home so am using this chair 24/7. I had no issues with assembling it myself as a 35 year old female. Instructions were simple to follow and took me maybe 30 minutes to put together. Its sturdy and comfortable. I appreciate the padded arms and the seat bottom is also a nice thick cushion. Added bonus for the head rest and that it is adjustable. Definitely recommend.
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Reviewed in the United States on March 27, 2026
★★★★★ 5
Very comfortable office chair
Color: Black
This ergonomic office chair is very comfortable and has good lumbar support and a nice headrest. It includes all the necessary tools and takes about 20 minutes to fully assemble. The height adjust and recline features of the chair work smoothly and quietly. The seat cushion is nice and comfortable. The height-adjustable armrest is also a nice features of the chair. Overall, this ergonomic office chair provides relaxing comfort during long hours sitting with support for your bottom, back, head and arms. It's a good value for the price.
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Reviewed in the United States on February 21, 2026
★★★★★ 4
Good quality and arrived quickly
Color: Black
I was very pleased with how easy this chair was to set up. Affordable, arrived quickly. The only reason it isn’t 5/5 is because on of the arms had a small dent, possibly due to not enough bubble wrap during shipping. Other than that, the quality is great.
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Reviewed in the United States on February 6, 2026
★★★★★ 5
Awesome chair so far
Color: Black
My old chair can go in the trash immediately because it set the bar so low (picked up from a giveaway - squeaked anytime it's leaned on, always sinking upon sitting on it). This Ergonomic chair blew it out of the water. Happy with this purchase. This chair took me an hour to assemble, which I expected. It feels extremely sturdy and comfortable. Lumbar support feels great! I love the various adjustability options this chair offers. Hope it lasts for many years.
By the way, I am 175 lbs, 5'10".
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Reviewed in the United States on January 3, 2026
★★★★★ 5
Great product
Color: Black, Color: Black
The directions were so easy to follow i was able to set up the chair in under an hour its very comfortable and perfect highly recommend
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Reviewed in the United States on March 24, 2026