NITRO: Traction you can depend on

Power Lock

Nitro's Power Lock is the pinacle of performance traction in a limited slip differential. The unique design of the floating V-ramp cross shafts apply additional traction to your wheels as throttle is applied. Whether street or strip, track or trail you can depend on the Nitro Power Lock.
• Precision manufactured from the highest quality materials, using state-of-the-art machining & heat treating process.
• Updated one-piece side gear design increases strength with nearly double the spline contact of two piece side gears.
• Assembled in the USA
• 1 year warranty
• Fully Rebuildable

P/L C8.75 | Mopar 8.75” 30 spline, all ratios, (fits 489, 741, 742)
P/L D44-3-30 | Dana 44, 30 spline, 3.73 & Down
P/L D44-4-30 | Dana 44, 30 spline, 3.92 & Up
P/L D60-3-30 | Dana 60, 30 spline, 4.10 & Down
P/L D60-4-30 | Dana 60, 30 spline, 4.56 & Up
P/L D60-3-35 | Dana 60, 35 spline, 4.10 & Down
P/L D60-4-35 | Dana 60, 35 spline, 4.56 & Up
P/L D50-30 | Dana 50 Front, 30 spline, all ratios
P/L GM55P-3-17 | 55-64 Chevrolet Passenger Car, 17 spline, 3 series

Trac-Lock

Nitro's Trac-Lock provides the ultimate in traction for Ford 8"& 9" differentials. This is not like the old factory units that had a tendancy to crack the case. Nitro's Trac-Lock uses a billet & forged case for strength you can depend on. Great all around torque-bias ensure this unit will suit your needs for Hot Rods, Muscle cars, vintageshowcar or even 4x4s.

• Precision manufactured from the highest quality materials, using state-of-the-art machining & heat treating process.

• 4 Pinion design, with Forged steel case with Billet hat ensure strength

• Available in 28 or 31 spline

• Assembled in the USA

• 1 year warranty

• Fully Rebuildable

Ford 8”

T/L F8-28 28 Spline
T/L F8-31 31 Spline

Ford 9”

T/L F9-28 28 Spline
T/L F9-31 31 Spline