Bellhousing
BPT manufactures Ford FE series to C4, adaptive bellhousings. This single cast design, created by BPT, is NHRA recognized
The FE series includes the following displacements: 332, 352, 360, 361, 390, 391, 406, 427, and 428.
Flexplate / Flywheel
Flywheels / Flexplates are available from various manufacturers.
Clutch Packs
In most cases, additional clutches can be added without machining. This is accomplished through the use of specialized plates, frictions, and steels.

Direct (Reverse/High) Drum
C4: Five and six friction packs are available. For seven clutches, machining is required.
C6: Five clutch packs are available

Forward Drum
Five clutch packs are available for both the C4 and C6

All clutch packs use Raybestos frictions. For the C4, standard, HIPO red, and HIPO blue clutches are available. For the C6, choose from standard, tan, dark green waffle, HIPO red, and HIPO blue.

Steels / Plates
BPT offers steels in thin, standard and extra-thick widths. Steel rings can be modified for additional oil lubrication.
Specialized plates can be ordered for modified clutch packs
Friction Clutches
All clutch packs use Raybestos frictions. For the C4, standard, HIPO red, and HIPO blue clutches are available. For the C6, choose from standard, tan, dark green waffle, HIPO red, and HIPO blue.
Low Ratio Gear Sets
BPT offers a wide array of low ratio gear sets. All low ratio gear sets are fully rollerized with lightened steel components.
The reverse low and direct drums can be ordered in 70/75 T6 Aluminum.
Figures in grey show the affect of adding a 20% (first column) or 30% (second column) V2OD overdrive unit.
Model Type Gear Ratio V2OD
C4 and C6 Stock 2.46 1.46 1.00 0.80 0.70
C4 Ratio1 2.92 1.72 1.00 0.80 0.70
C4 Ratio2 2.75 1.67 1.00 0.80 0.70
C4 Ratio3 2.66 1.66 1.00 0.80 0.70
C4 Ratio4 2.52 1.52 1.00 0.80 0.70
C4 Ratio5 2.10 1.28 1.00 0.80 0.70
C6 Ratio1 2.75 1.67 1.00 0.80 0.70
Rollerized Transmissions
BPT doubles the amount of roller bearings used by competitors. BPT replaces the extension housing bushing with a torrington bearing and adds bearings to the parking gear, rear sprag, reverse drum, rear planet (two bearings), drive shell, upper planet, between planet and forward clutch housing, between forward clutch housing and direct drum, forward clutch stator support, and direct clutch housing stator.
Additionally, the reverse drum, upper planet and drive shell are lightened. The upper planet is remachined.
70/75 T6 Aluminum direct and reverse drums are available on request.
Servos
Custom fabricated, modified, and stock servos are available to meet your specific needs.
Hardened Input Shaft
These C4 and C6 shafts, manufactured from billet H13 tool steel, are virtually unbreakable.
JPT offers a five year replacement guarantee with a valid receipt
Custom Valve Body
For both the C4 and C6, BPT offers customized street / strip, manual reverse, manual forward, and trans brake valve bodies.
These units are CNC machined from billet aluminum.
Transmission Pan
These custom aluminum, 4 1/2 inch deep units feature 1/4 inch thick floors and laser cut case rails. The side walls are manufactured from sheet aluminum and reinforced for temp. gauge or drain plug. Units are made with provisions for a temperature gauge or drain plug. Pan fill cases are drilled and plumbed for a dipstick. Units contain a baffle. Deep pickup and allen bolts are supplied by BPT.
Dipstick Tubes
BPT manufactures new dipstick tubes for all applications.
Transmission Pump
Stator support modification available for improved oiling. The C6 pump cab be shortened to allow for additional roller bearings.
Torque Converter Spline Adapter
C6 torque converters can be used with C4 transmissions by using this spline adapter. If you are using a 351M bellhousing to convert to a C4 transmission, this adapter will allow you to retain your original torque converter
Torque Converter
Torque converters can be custom fabricated to suit your individual needs.
New converters are available in all sizes.
Your current torque converter can be rebuilt by BPT.
Block Plates
Can be custom fabricated upon request.
Overhaul Kits
Custom tailored overhaul kits are available for purchase.
Universal Shift Adapter
Your C4 / C6 shift arm can be modified for all applications by using this adapter.
Flex Bands
New flexbands are available in standard, Kevlar, high carbon, and extra-wide high carbon.
Hard Bands
Hard bands are available in standard and extra wide widths.
Choose from red paper, Kevlar, and high carbon.
BPT can reline your hard bands.
BPT 2010
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