Buy BBK 1598 Aluminum Underdrive Pulley Kit for GM 305/350 F-Body/Truck - 3 PieceBBK 1598 Aluminum Underdrive Pulley Kit for GM 305/350 F-Body/Truck - 3 Piece Product Description:
- 8-15 horsepower in under 30 minutes
- Direct bolt on replacements
- Aircraft quality aluminum alloy
Product Description
BBK Aluminum Under drive Pulley Kit for GM 305/350 F-Body/Truck - 3 Piece is made from aircraft quality aluminum alloy. These BBK under drive front accessory pulley kits are one of the easiest ways to free up an average of 8-15 horsepower in under 30 minutes. These BBK pulley kits are designed as direct bolt on replacements for the current factory pulleys and retain full cooling and charging characteristics.
Customer Reviews
Most helpful customer reviews
0 of 0 people found the following review helpful.
Good quality, stock belts don't fit.
By Dustikus
Ordered this for my mud truck to slow down the belts a bit as I had an issue with the power steering belt flipping upside down at about 7000 rpm. Easy to install, can't exactly tell a power difference with a 600 horse motor, but it did cure my belt issue. A couple things to note if you're planning to install these. The factory belts, (at least for a 87 Chevy Pickup) will not fit, Gates part numbers are as follows: Alt: K050420 P/S: 7370 Application wise, alternator belt for an '87 Camaro with a 5.7L, power steering belt for a '79 Chevy K20 Pickup with a 5.7L. Only other issue I had with installation was that the alternator pulley was so thick I couldn't use the original lock washer, but a bit of thread lock and so far so good. Hope this helps someone.
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