S4D Durable Sequential 4 Speed

Extra differential durability, that's what the S4D provides.  This transaxle is uses the same transmission design and gear sets as the proven S4 transaxle but has a larger 11.5" ring gear for increased strength in higher HP applications.  This model is ideal for V8 applications developing up to 900HP with the high torque that is harnessed better with a larger differential.

If you're considering an upgrade from an S4 trans .......

bullet 11.5" FORGED RING & PINION SET
bullet C.V. CENTERLINE TO BOTTOM OF CASE, SAME AS 'S4'
bullet FLANGE TO FLANGE DISTANCE, SAME AS 'S4'
bullet V-8 BELLHOUSING STANDARD
bullet Cable activated shifter
bullet 4.88 & 4.63 Ring & Pinion ratios
bullet Dog ring engagement
bullet All new EN36C gear sets - 1" face widths, much larger shaft centers
bullet 1 3/16-18 HEMI-SPLINE, 300M INPUT SHAFTS
bullet 935 drive flanges
bullet 19MM REVERSE GEAR
bullet SUPER-DUTY 14 BOLT ALLOY DIFFERENTIAL
bullet 8 BOLT HD4 STYLE PINION BEARING HOUSING
bullet ALL CASTINGS AIRCRAFT QUALITY A-356 T-6 ALUMINUM ALLOY
bullet BILLET ALUMINUM SIDE COVERS
bullet 6.5" DIFFERENTIAL BEARINGS
bullet Cooling pump, optional
bullet Up to 1000HP range, sand applications
bullet A perfect match for high output V8s
bullet Weight 200

Download S4D Spec