
ST20007 Valve Seat Set for 1962-1995 Chevrolet 5.3L, 5.7L
The Enginetech ST20007 is a valve seat set for SEAT (4) 1.8125 2.0055 .2188" HIGH CHROME engines. High chrome construction resists wear and seats valves precisely for efficient combustion chamber sealing.
Enginetech ST20007 Valve Seat Set Features:
- Fitment: SEAT (4) 1.8125 2.0055 .2188" HIGH CHROME
- Engineered to OE specifications for direct replacement
- Note: Except Intake. 1.813 x 2.0055 x .2188. 45 Deg. Hi-Chrome Cast. with 1.941 - 1.942 valve head diameter. (4 pack). Intake. with 1.940 - 1.942 valve head diameter.
Built for Sealing Integrity and Lasting Performance
Enginetech valve seats are engineered to provide a durable sealing surface that supports efficient combustion and long-term engine reliability. Manufactured from premium materials selected for their strength and heat resistance, these components are designed to withstand extreme temperatures and repeated valve impact in both street and performance environments. Precision-machined for consistent fitment and optimal contact with the valve face, Enginetech valve seats help maintain compression, improve thermal transfer, and reduce wear over time. Ideal for engine rebuilding, restoration, and high-performance applications, they deliver the quality and dependability needed for confident, consistent operation.
![Engine Assembly Lube [4 oz. Bottle]](https://www.jegs.com/images/mini_200/500/555/555-28000.jpg)
![1-Ton Automotive Shop Crane [Boom Operating Range: 34 in. to 45 in.]](https://www.jegs.com/images/mini_200/500/555/555-81044k.jpg)

![Rotating Engine Stand [1000 lb. Capacity]](https://www.jegs.com/images/mini_200/500/555/555-80059.jpg)
![Round Magnetic Parts Tray [5 1/2 in. Round]](https://www.jegs.com/images/mini_200/500/555/555-80080.jpg)




![Socket Set, 3/8 in. & 1/4 in. Drive [SAE/Metric 52-Piece]](https://www.jegs.com/images/mini_200/500/555/555-81565.jpg)
![Plier Set [5-Piece]](https://www.jegs.com/images/mini_200/500/555/555-w1717.jpg)

![Break-In Oil, 10W30 [1 Quart, 32 oz.]](https://www.jegs.com/images/mini_200/500/555/555-28067.jpg)
![Fender Cover with Pocket [23 in. W x 31 1/2 in. L]](https://www.jegs.com/images/mini_200/500/555/555-65010.jpg)
![Penetrating Oil [11 oz. Aerosol Can]](https://www.jegs.com/images/mini_200/600/639/639-11043.jpg)
![Brake Parts Cleaner [14 oz. Aerosol Can]](https://www.jegs.com/images/mini_200/500/555/555-72311.jpg)




![Mechanic Chair & Step Stool on Wheels [300 lb. Capacity]](https://www.jegs.com/images/mini_200/500/555/555-81156.jpg)
![Heavy-Duty Steel Workbench [59.5 in. x 27.5 in. Bench Top]](https://www.jegs.com/images/mini_200/500/555/555-81440.jpg)

