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  1. STROKER KIT (BASE) S65 4.6 LITER 12.0:1 CR

    STROKER KIT (BASE) S65 4.6 LITER 12.0:1 CR

    All the hardware needed to build your own 4,6 liter stroker motor:
    • EN40B Forged Crankshaft 85mm Stroke
    • H-Beam Con-Rods
    • 93mm Bore Pistons with Ferroprint® coating
    • Ring sets
    • Wrist Pins and circlips 
    • 93.5mm Tri-Metal Head Gaskets
    Learn More
    $11,800.00
  2. VALVE SPRING SET RACE-SPEC S65

    VALVE SPRING SET RACE-SPEC S65

    The RDSport Race Valve Springs are designed to withstand sustained stints at 9000+ RPM with higher lift camshafts which are typical conditions found on race engines. These valve sets come straight out of our RSR44 race motors that have competed and won consistently in endurance races such as the Nürbugring Langstreckenpokal. Learn More
    $420.00
  3. This RS46 is clad with the RD blue plenum.

    MOTOR TUNING RS46 (Step 1A) 524HP [E92 S65 B40] M3

    Built on customer supplied motor or as an exchange unit. Core charge is additional if no motor is supplied by customer. 2 year, 50000 mile warranty or remainder of BMW factory warranty. Learn More
    $25,800.00
  4. SPORT CAMSHAFT SET S65 B40 (Step 1)