The BWR Motorsport Straight Rod Counterbalanced Crankshaft Kit (BWR SRCB Kit)


      This Crankshaft Kit is the ULTIMATE in design and materials.  The BWR SRCB Kit includes the following:


1.  Custom  VAR E4340 crankshaft   2.  Custom Carrillo connecting rods   3. CP or Wiseco super light weight pistons  4.  High strength wrist pins   5.  NPR Race ring pack   6.  NPR H.D. thrust washers  7.  Mahle Motorsport main bearings   8.  ACL Race Series coated rod bearings


 I invite you to read through the component specifications below and compare them to all other A Series motorsport crankshaft kits available. 


                                                                          Pricing starts at $5,940.00  


                                                      Designs for Classic Mini Cooper and Sprite/Midget.  

                            Most components are available in designs for use with Factory Style Crankshafts.                          

BWR SRCB Kit - Straight Rod Counterbalanced Crankshaft Kit

1275 Cooper S EN40B crankshaft. Classic Mini Cooper Billet crankshaft.

  BWR Straight Rod Counterbalanced Crankshaft

  • VAR E4340 High Strength 220,000 PSI  Aircraft Certitified Material
  • Triple Heat Treated - Nitrided
  • Rod journal narrowed and aligned to center the rod on the piston,  reduces side thrust 
  • Counterbalance Webs  on both sides of all rod journals 
  • Counterbalance Web design matched to weights of the piston/rod assembly
  • Weight concentrated on centerline 
  • The ultimate extreme race crankshaft
  • Custom strokes available

           $3,260.00


      


Carrillo connecting rod for 1275 Cooper S. Classic Mini Cooper connecting rod. H Beam Rod.

                       Custom Carrillo Rods

  • Narrowed big end and little end
  • Lightest Reliable Connecting Rod Available
  • Center to center lengths from 6.0" to over 6.250" to improve rod to stroke ratio
  • Carrillo Super Grade Bolts
  • A Beam, Taper Beam,  H Beam designs available 
  • Above Pictured A Beam Rod has  c-to-c length of 6.330" and weighs  359 grams
  • Also available as a factory style 'S' offset rod in custom lengths

          $1,589.00 Set of 4 Rods

     


      

Piston for classic Mini Cooper, 1275 Cooper S. Forged pistons for A series engines.

                 CP 2618 Forged Strut Piston

  • Short compression height piston used with the BWR SRCB Crankshaft
  • Lightest A Series Piston Available.  2.827"  bore size piston weighs 164 grams
  • Allows for superior rod to stroke ratios up to 2:1
  • Maximum compression height is 1.20" requiring a minimum 6.0" rod length
  • Skirt Coating add $148.00 set of 4 
  • Also available for use with factory style 'S' offset rod

          $712.00 Pistons and Wirelocks

Forged Pistons for 948, 998, 1098, 1275 Austin and Morris Mini. Austin Healey Sprite/MG Midget

                Wiseco 2618 Forged Pistons

  • More cost effective option for the  BWR SRCB Kit
  • Slight weight increase due to the longer wrist pin length
  • Also available for use with factory style 'S' rod and rod lengths of 5.75" plus.
  • Skirt Coating add $148.00 per set of 4 

          $584.00 Set of 4 Pistons with Wirelocks  

Wrist Pins for 1275 Cooper S, and all BMC, Austin Mini, MG Midget, Austin Healey Sprite. Custom rac

           High Strength Alloy Steel  Wrist Pins


                         C350 DLC Wrist Pins 

  • 350,000 psi material
  • Lightest and strongest pin available
  • Must be Diamond Like Coated
  •  Pictured above is DLC pin for the  CP Piston Weight 38 grams 

          $480.00 Set of 4 DLC Coated Pins 


       H13 Tool Steel (230,000 psi)  Wrist Pins


          $168.00 Set of 4 uncoated Pins


                 9310 (187,000 psi) Wrist Pins


          $140 Set of 4 uncoated Pins


  • DLC coating add $140 per set of 4 Pins

Piston rings for 1275 Cooper S, Mini Cooper, Sprite, MG Midget. Thrust washers for 1275 Cooper S

                     NPR Tuning Ring Pack

  • Ring of choice for performance engines
  • Steel Nitrided compression rings
  • Nifflex 3 piece low friction oil control rings     

           $126.00 - $138.50   4 Cylinder Set 


   NPR Heavy Duty Lead Copper Thrust Washers

  • Available in Standard and Plus Sizes

          $34.00 Set of 4 Thrust Washers


Mini Coopeer S and Sprite/Midget 1275 main bearings, rod bearings. Mahle Motorsport VP2 bearings

         Mahle Motorsport VP2  Race Bearings

  • Made in the Mahle Motorsport Formula 1 U.K. Factory   
  • High Strength Steel Backing, Proprietary Cast Bronze Substrate, and Lead/Indium Overlay
  • Laser Etched ID to prevent shell distortion and improve heat transfer
  • Formula 1 Bearing Tolerances 
  • Rated at 14,500 PSI
  • BWR SRCB Crankshaft:  Mains only
  • Factory Style Crankshafts: Mains and Rods

          $124.50 Main Brg. Set   Std  +.010" +.020"

          $130.50 Rod Brg. Set     Std  +.010" +.020" 

Rod bearing for BWR Motorsport custom crankshaft. ACL Race Bearings

               ACL Coated Race Rod Bearing

  • Required Rod  Bearing for the BWR SRCB Crankshaft 
  • High Strength Tri-Metal Specification
  • Friction reducing and oil retention coating
  • Dimensions not suitable for Factory Crankshafts

          $122.00 Set of 8

1275 mini, sprite, midget cam bearings. Cooper S cam bearings. 1300 Mini cam bearings. A Series

            MAR Heavy Duty Camshaft Bearings

  • High Performance Rated
  • Manufactured with superior materials in the U.K.

          $32.50 Set of 3