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Spark Energy Reaching 135 mJ
Perfect for applications where a temperature port or pan installation is not appropriate
33 in Long x 18 in Wide x 16
562 in Stroke
Back to back dyno testing proves a gain of over nearly 10 horsepower over running no air cleaner at all Low Stacking Height
Ratech Bearing Kit - GM 7.5" 77-81 10000405 Spark Energy Reaching 135 mJPinion and Carrier Bearing Kit GM 7. 5" (77 81) AxleContains Pinion and Carrier Bearings. (Image typical Kit may vary from image but will contain appropriate parts) Ratech wants all racers to know about The Myth that "All Shim Packs in the market are the same. They're just washer shaped steel that come in different thickness." WRONG! Ratech manufacture all of their shims in house on their own machinery. Ratech uses the absolute finest American made
