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QA1 JJC-AC0320 performance driveshafts are built with 3.2" diameter carbon fiber tubing, wound in-house with a resin specifically designed for high performance applications
Dana 60 Eaton Truetrac fits standard rotation, 35 spline Dana 60 rearends equipped with 3.54-4.30 street gears.
Mopar A-Body 8 3/4" Housing & Axle Package
8.75" Eaton True-Trac fits all 8.75" castings all ratios and all stock axles.
Dana 60 Spicer "Trak-Lok" 2-pinion style clutch sure-grips work nicely for street cars making under 400 hp
All driveshaft assemblies are built with seamless 4130 cr-mo tubing, 29 spline 727/A833 slip yokes, heavy duty 1350 U-joints, then dynamically balanced.
DoctorDiff Dana 60 heavy duty 4-pinion clutch sure-grip ("Powr-Lok") posi includes upgraded 1 piece 35 spline side gears. Unit is built with OEM Spicer clutch pack.
Reproduction 8 3/4" clutch sure-grip ("powr-lok") includes upgraded 1 piece 30 spline side gears and 4340 cr-mo spider gears
9 1/4 " Spicer "Trac-Lok" 2-pinion style clutch sure-grips work nicely for street cars and half ton pickups making under 350 hp.
28 or 31 spline Ford 9" Traction Lock posi.
28 spline Ford 8" Traction Lock posi.
30 or 35 spline, 5 X 4 1/2" bolt pattern axle package for 8 3/4" or Dana 60 with lug studs and Green sealed wheel bearings INSTALLED.
Eliminate your troublesome stock 2-piece axles with DoctorDiff ONE-PIECE, CUT-TO-FIT 29 spline axle shafts. Shafts are back oxide plated for corrosion resistance.
DoctorDiff 5 x 4.5" bolt pattern conversion axles fit '62-'72 A-body 7.25" rearends.
1541 hardened steel axles are ideal for building custom 9" rearends. Cut to Fit.
New, Mopar 8 3/4" nodular iron 489 casting includes forged steel caps and billet steel adjusters.
New, aluminum Ford 9" case includes forged aluminum caps and billet adjusters installed. Choice of carrier bore for 28/31 spline axles or 35 spline axles.
New, nodular iron Ford 9" case includes forged steel caps and billet adjusters installed. Choice of carrier bore for 28/31 spline axles or 35 spline axles.
