With this rzeppa on a 3.5" lift jk & stock front drive shaft, do you still need exhaust spacers? any high speed speed vibrations from the driveshaft?

Yes, you need spacers. I have their spacers on mine, same lift height, and my driveshaft will still contact the exhaust at full extension. I haven't noticed any vibrations compared to stock, definitely not compared to the Tom Woods shaft. I'm also running 5.13 gears, so my driveshaft spins much faster than stock. Hope this helps.

What is the maximum working angle of these joints?

On my JK, lift 3.25" - works fine!

I have the usual vibration after lifting my 08 jk 2.5" and 33" Duratracs. Is there anything else needed to get the job done?

I don't know about"usual" vibrations, I'm lifted 3.5" and on 37" BFG KO2's, had no vibrations. The rear joint on front shaft splits the boot when lifted. The Teraflex joint is a simple and easy way to upgrade. Nothing else needed.

will it work on my 2 door 2008 jk jeep manual? It has a 4 inch lift kit, do I need any additional parts?

With that much lift you might need a new driveshaft for that kind of lift especially if on 35’s or 37’s. I’m at 3 in the front and it’s pushing it. Also getting adjustable front lower control arms to help with driveshaft angle will be really helpful. I have a 07 2 door on 35’s so same Jeep pretty much

Teraflex 1744014 Factory Replacement Kit Jk Rzeppa Cv

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Description

🚙 Elevate your JK’s performance—don’t let worn joints hold you back!

HIGH ANGLE CV HOUSING - Specifically designed to reduce boot failure on lifted JKs 3+ inches.
FACTORY GRADE DURABILITY - Retain your JK’s original driveline with OEM-quality replacement parts.
SPECIALIZED HIGH RPM GREASE - Engineered to bond and perform under extreme rotational speeds and conditions.
ALL INCLUSIVE INSTALLATION KIT - Includes CV joint, housing cap, bolts, and a 6mm Allen wrench for hassle-free setup.
TRUSTED BRAND WITH PROVEN QUALITY - TeraFlex, a go-to for Jeep enthusiasts, backed by 4.7-star reviews and years of reliability.

The TeraFlex 1744014 Factory Replacement Kit is a precision-engineered solution for JK Jeep owners seeking to replace worn Rzeppa CV joints without costly upgrades. Featuring a high-angle CV housing to prevent boot failure on lifted vehicles, this kit includes all necessary components and specialized low-friction grease designed for high RPM durability. Trusted by Jeep enthusiasts, it ensures OEM-level performance and longevity.

Specifications

ASIN	B01EXLIZDA
Best Sellers Rank	295,292 in Automotive ( See Top 100 in Automotive ) 105 in Car Drive Shaft Joint Kits
Brand	TeraFlex
Customer Reviews	4.7 4.7 out of 5 stars (910)
Date First Available	9 Sept. 2015
Exterior	Painted
Item Weight	1.96 kg
Item model number	1744014
Manufacturer	TeraFlex
Manufacturer part number	1744014
Model	Factory Replacement Kit (JK Rzeppa CV)
Product Dimensions	22.86 x 12.7 x 12.7 cm; 1.96 kg

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