Does the kit come with instructions

yes the kit comes with full instructions. there are also other upgrades available. thru sonnax and ac delco valve body spacer plate. check ebay for sonnax parts then chose your own place to purchase them. ebay isnt always the cheapest or fastest way to get the parts. also parts available at at trans star check your local directory.

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Description

⚙️ Upgrade your GM transmission game — shift like a pro, every time!

TRUSTED BY PROS - Preferred by GM techs for reliable rebuilds and long-lasting performance
DURABILITY BOOST - Prevents harmonic bounce that damages pump and valves
PLUG PLAY UPGRADE - New isolator valve fits worn bores without special tools or machining
SEAMLESS SHIFT REVIVAL - Eliminates hard 1-2 shifts and shuttle shifts for smooth driving
EFFORTLESS INSTALLATION - Clear instructions make it easy for experienced DIYers to install

This Transgo Transmission Kit is engineered for GM 4L60E, 4L65E, 4L70E, and 4L75E models (1993-2007, excluding hybrids). It addresses common issues like Code 1870, hard 1-2 shifts, and no lockup in 4th gear by incorporating a redesigned isolator valve that fits worn bores without machining. Highly rated by professionals and DIYers alike, it enhances shift quality, extends transmission life, and simplifies rebuilds.

Specifications

ASIN	B00DIHWNOI
Best Sellers Rank	#184,918 in Automotive ( See Top 100 in Automotive ) #151 in Automotive Transmission Hard Parts
Brand	TRANSGO
Customer Reviews	4.7 4.7 out of 5 stars (91)
Date First Available	26 October 2022
Item Weight	340 g
Manufacturer	Transgo
Manufacturer Part Number	SK 4L60E
Manufacturer reference	SK 4L60E
OEM Part Number	T74165E
Package Dimensions	15.6 x 15.49 x 5.69 cm; 340 g

Reviews

M**G

bought this kit to go along with rebuilding my fathers 4L60 trans in his 05 silverado. im a gm tech and have rebuilt dozens of these transmissions over the years. this kit drastically improved the shifting of this truck. great product, easy install if you have done any transmission work before or can follow directions easily.

25.08.2021

C**G

Love this kit 15k miles and still functioning and shifting great. Would recommend for any 4l60e rebuild/refresh. Easy to install when transmission is out.

1.12.2025

M**X

I had the transmission shop install this during a rebuild for my daily driver 2003 Trailblazer. Shifts that were buttery smooth are now noticable. Noticable, but not harsh. I wouldn't even call them firm. The biggest change I notice is the torque converter lockup is 100%; no more PWM lockup. I love it.

30.09.2025

A**R

Great product, my transmission is still going strong!!

27.09.2025

C**Y

Great kit.

12.12.2025

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TrustScore 4.5 | 7,300+ reviews

Anita G.

Good experience, but the tracking updates could be better.

2 months ago

Rajesh P.

Customer service was outstanding when I had questions about the product.

2 days ago

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TrustScore 4.5 | 7,300+ reviews

Imran F.

Very reliable shop with genuine products. Will definitely buy again!

2 weeks ago

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3 days ago

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Transmission kit 4L60E, 4L65E, 4L70E and 4L75E 93-07 Except Hybrid Units.

Description

Specifications

Reviews

Common Questions