⚙️ Dial in your engine’s perfect timing — because precision never goes out of style!
The COMP Cams 4790 9 Sportsman Degree Wheel is a 9-inch precision tool designed for accurate engine timing. It features multiple sized degree wheels, compatibility with most harmonic balancers and COMP crankshaft sockets, and a durable painted finish. Lightweight and versatile, it can be used on engine stands or with engines installed, making it an essential upgrade for professional and enthusiast engine builders alike.
Manufacturer | COMP Cams |
Brand | Comp Cams |
Model | 4790CPG |
Item Weight | 1.06 pounds |
Product Dimensions | 9 x 9 x 0.1 inches |
Country of Origin | USA |
Item model number | 4790 |
Is Discontinued By Manufacturer | No |
Exterior | Painted |
Manufacturer Part Number | 4790 |
OEM Part Number | 4790 |
S**Y
I love it
Comp makes a great tool at a small price
J**.
tool
nice
W**D
delivered on time in new condition
checking cam installation.
P**Y
Very nice degree wheel
Easy to read. Good quality piece
D**N
It sirks
It’s round, full 360* not the split 180*. Good tool to have
F**D
Poor quality - gauge slider would not fit, had to turn on lathe!
My golly, the slide for the gauge does NOT fit inside the large hole to adjust for rocker.. its the PRIMARY attachment to set the gauge up on top of the rocker.The retarded crank socket is so loose it moves 3-4 degrees each time! and this on a 350sbc of all things! Instructions are unbelievably bad, not a SINGLE pic. Annoying allen set screws of all sizes on half the things but not a single allen in the box -I turned the larger arm down on the lathe to make it go thru- dont really know what I just pad 200 bucks for? fancy kid on a cad program who has NEVER used this tool..Cons:Instructions are useless (not that I care - easy to figure out but really?)Crank socket still moves-Fiddly bits with no descriptionPros:Case is niceGauge worksLooks shinyFree sticker
T**L
Does what it needs to
It does what it needs too. It’s very good for the money. It’s a pain to bolt it directly to the crank. I had to make a bushing to center it on the crank. It’s meant to bolt to a harmonic balancer.
M**N
Degree wheel
High quality, essential tool for engine building.
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