Unlike timing chains, a gear drive doesn't stretch, so your cam timing stays more accurate. We builds these drives with dual idler gears, making them more stable than single idler gear drives. A Tru Gear gear drive is as easy to install as a timing chain and will fit under your stock timing chain cover.Noisy gears give your engine a "supercharged" sound. All without "FACTORY" hydraulic roller camshaft. Compatible with all standard camshafts.
SAE 660 silicon bronze rear thrust ring included. Rugged Cr40 alloy steel gears assure prolonged trouble-free operation.
Axial needle and cage forward thrust bearings reduce friction. Designed for precise multiple cam timing adjustments. Absolutely no adverse wear to camshaft or valvetrain components. Dyno tests prove no horsepower loss compared to a chain.
(3) Grade 8 cam bolts. Back Thrust Ring - 2.135 inside dia. Cam bolts-grade 8 5/16-18 X 3/4 black oxide.
Washers- 5/16 AN gold irridite coated. By sticky on April 14, 2020. Yes, I recommend this product. By my 34 on October 29, 2019.
Used it on a 327 chevy engine. Very nicely finished product with easy to understand instructions, the only problem was that OUR Crankshaft was oversize. 002 for a 1/4 in before the radius.
We had to file the crankshaft snout to get the gear to bottom out, you might want to mention this problem in your instructions. By flathead frankie on November 18, 2017. Was easy to install, instructions were clear and simple. Bore in crank gear was. Related Items / Suggested Parts.Speedway Small Block Chevy Gear Drive. Speedway Small Block Chevy Premium Noisy Gear Drive. Speedway Small Block Chevy Premium Gear Drive.
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