Tundra Magnuson 2650 Pulleys

SNIV SPEED SHOP IS NOT RESPONSIBLE FOR BLOWING UP YOUR ENGINE BECAUSE YOU RAN TOO SMALL OF A PULLEY!!! ~12psi recommended as the max limit for a stock engine. 8+ psi recommended upgraded injectors and tuning. Consult with your tuner.

LARGER INJECTORS AND CUSTOM TUNING RECOMMENDED:

Bolt on pulleys to increase the boost for your Magnuson 2650 powered Tundra.

Made from 6061-T6 aluminum, uncoated and raw.

81mm is a slight bump over stock.
76mm is recommended for sea level to 3000ft elevation.
70mm is recommended for 3000ft+ elevation.
65mm is the smallest possible pulley that can be fit.

Stock is 86mm.

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Third picture shows rough boost vs altitude chart.
Rough numbers:

Sea Level: Stock = 8psi, 76mm = 12psi, 70mm = 15psi
5000ft: Stock = 4psi, 76mm = 8psi, 70mm = 10psi
7000ft: Stock = 3psi, 76mm = 6psi, 70mm = 8psi

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The Magnuson injectors are 535cc, over ~8psi larger injectors and a tune are essentially MANDATORY. Consult with your tuner.

Belt sizing:

Dayco K081145 or equivalent

Additional belt options listed here:
https://www.tundras.com/threads/general-supercharger-thread.85513/page-419#post-3428242

Any questions email [email protected]