Your RAM SRT10 comes from the factory with a 4:10 ratio. We have a wide variety of gear ratio upgrade kits available. Each one comes with all the parts you will need to upgrade.
Ratios available:
3:54 Gear Kit (Gears plus parts needed)
3:73 Gear Kit (Gears plus parts needed)
4:10 Stock gears (Replacement Gears only needed)
4:56 Gear Kit (Gears only needed)
4:88 Gear Kit (requires you change out your case plus gears & Parts)
5:13 Gear Kit (requires you change out your case plus gears & Parts)
5:38 Gear Kit
6:17 Gear Kit
7:17 Gear Kit
Quad Cab utilized a 48RE four-speed automatic transmission modified from the Ram Heavy Duty transmission. Both regular cab and Quad Cab used a Dana 60 rear axle.
Gear 1 2 3 4 5 6 Final Drive
Ratio 2.66:1 1.78:1 1.30:1 1.00:1 0.74:1 0.50:1 4.10:1 (2004); 4.56:1 (2005–06)
48RE
Gear 1 2 3 4 Final Drive
Ratio 2.45:1 1.45:1 1:1.00 0.69:1 4.56:1
[edit] Suspension
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