SKU: 84810671477

Jesel Belt Drive System | GM LS Block

Sale price$1615.50 Regular price$1795.00
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Description

Jesel Belt Drive System | GM LS BlockFrom the first prototype camshaft belt drive ever manufactured by Dan Jesel back in 1982 to the sleekness of today's CNC machined pieces, Jesel Camshaft Belt Drives continue to lead the industry as the premiere camshaft belt drive assembly. In the never ending quest for more horsepower, engine builders in the 1970's began using larger cam lobes which in turn required stiffer springs. The stiffer springs allowed the engine to turn more rpm, but

From the first prototype camshaft belt drive ever manufactured by Dan Jesel back in 1982 to the sleekness of today's CNC machined pieces, Jesel Camshaft Belt Drives continue to lead the industry as the premiere camshaft belt drive assembly.
In the never ending quest for more horsepower, engine builders in the 1970's began using larger cam lobes which in turn required stiffer springs. The stiffer springs allowed the engine to turn more rpm, but eventually became too much for a timing chain to handle. At the time, gear drives were the only solution, but they bring with them their own set of problems. Gear drives transfer a tremendous amount of crankshaft harmonics to the valvetrain, not to mention taking incredible amounts of horsepower to drive.
As necessity is the birth of most components in high performance engines, the Jesel Camshaft Belt Drive was created to solve these problems.
Recognising the need for improvement, Dan Jesel did what he does best. Using internal cam belt assemblies as a blueprint, Dan engineered a system to externally adapt this technology to a small block Chevrolet. After sourcing a belt and gathering material, Dan went to work manufacturing the prototype pieces and in conjunction with a local engine builder successfully built and tested the drive on a NHRA Competition Eliminator engine. The results were more than impressive and the dyno numbers proved it.
To date, Jesel has engineered an arsenal of over 40 belt drive assemblies. So, whether you're on a six second pass down a quarter mile drag strip, racing in a 24 hour endurance race or just taking a trip down to the local car show, you can be assured that the components controlling your cam timing are of the highest standards and machined to exacting tolerances.

Features of the Jesel Belt Drive
- Patented High Torq Drive reinforced belt operates dry and spins with less friction than timing chains or gear drives and also absorbs harmonics.;
- Cam timing adjustment is made externally providing the easiest and most accurate tuning available.;
- Teflon coated high vacuum cam and crank seals.;
- Crank Pulley is heat-treated steel and incorporates a High Torq Drive tooth configuration.;
- Cam timing is externally adjustable;
- Kit hardware is all Grade 8 Allen and Torx head design.;
- 2 Piece Upper Pulley Design is infinitely adjustable ±10°.;
- Solid Upper Pulley Design is adjustable 8° in 2° increments.;
- Hard coated Billet Aluminum Upper Pulley features patented High Torq Drive™ tooth configuration.;
- Accessories available to run distributor drives, fuel pumps or oil pumps off front of cam.;
- Billet Aluminum Timing Cover;
- Hard Coated Billet Aluminum Two Piece Upper Pulley Adjustable +/- 8 Degrees in 2 Degree increments;
- Heat Treated Solid Crank Pulley;
- Timing Belt;
- Teflon Coated Cam & Crank Seals;

Want Some More Information On Our Jesel Belt Drive?
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Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
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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: 84810671477

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4.3 ★★★★★
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Eric
Phoenix, US
★★★★★ 5
Works well, measurement markings holding up
Color: 01_ Silver 1pc
This is a nice espresso shot cup. It's wide enough to catch both espresso streams coming down from the portafilter. I really like the measurement markings on the inside. I was concerned when I bought it that the markings might come off over time. I've had it for several months, and so far the marking are holding up well even when run through the dishwasher.
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Reviewed in the United States on January 6, 2026
A
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Ashley
Boise, US
★★★★★ 5
Efficient
Color: 01_ Silver 1pc
This cup holds two shots and then some. It fits perfectly under to catch the espresso. The material is durable and it’s easy to clean. I recommend this!
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Reviewed in the United States on May 13, 2026
F
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Family Guy
Birmingham, US
★★★★★ 5
Does what it's supposed to do
Color: 01_ Silver 1pc
Works well for a double espresso. Small but large enough to fit under two spouts.
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Reviewed in the United States on March 17, 2026
R
Verified Purchase
Rocky
Pawtucket, US
★★★★★ 5
Works
Color: 01_ Silver 1pc
Handy for measuring espresso and beans.
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Reviewed in the United States on May 18, 2026
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Domingo
Lake Worth, US
★★★★★ 4
Good quality for small amounts of espresso
Color: 02_ Black 1pc
So truth be told I dont even use it because I actually needed something that held a lot more than what this holds but it is really nice.
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Reviewed in the United States on April 17, 2026

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