Ships within 48 hours · Estimated delivery Sep 10 - Sep 15
EFI Hyperspark
Very rough idle
CNC machined and polished to fit most GM applications
Fuel bowl provides 20% more fuel capacity while controlling slosh with internal baffling
Great torque and mileage in 400 with stock gear ratio
Ratech Ring & Pinion Installation Kit - GM 8.5" Axle - Auto 70-97 - Pick-Up C&K 1500 70-96 20-OTL-NB-4XL EFI HypersparkInstallation Kit GM 8. 5" AxleAuto 70 97, Pick up C&K 1500 70 96. Contains Pinion Shims, Carrier Shims, Crush Sleeve, Pinion Seal, Pinion Nut, Ring Gear Bolt Set, and Cover Gasket. (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
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