SECTION 7
0930-0139
0930-0068
SUPER STOCK™ CYLINDER HEADS FOR TWIN CAM
  • High port flow gives great performance now, and more later when additional upgrades are done
  • Heads are fully assembled with springs and valves, and are available in silver or wrinkle black powder-coat
  • Compression ratios vary depending on cylinder heads chosen, pistons used and engine displacement; see Compression Ratios chart for specifications
  • 79cc heads work great with stock motors for 88” to 103” motors; 89cc heads work best for motors over 103” or with high-compression
  • pop-up pistons
  • 79cc have 1.940” intake and 1.575” exhaust valve and springs for up to
  • .650” lift (unless noted); 89cc have 2.000” intake and 1.605” exhaust
    0930-0006
    and .640” springs
  • 79cc heads accept OEM rocker boxes
  • 89cc heads accept S&S rocker boxes only (PART #90-4110)
  • Heads are machined for compression releases (sold separately);
  • S&S rocker boxes required when using S&S compression releases
  • Do not include rocker arm components, intake manifold or gaskets
  • Heads include four long headbolts, and reuse four long OEM headbolts
  • Accept OEM intake manifolds
  • Sold in pairs
  • Made in the U.S.A.
  • NOTE: Must use S&S rocker boxes (PART #90-4110) if S&S compression
    releases are used.
    PART #
    DESCRIPTION
    SUG. RETAIL PART #
    DESCRIPTION
    SUG. RETAIL
    FOR 06-17 TWIN CAM, EXCEPT 08-17 DRESSERS AND TWIN COOLED MOTORS
    FOR 99-05 TWIN CAM (CONT)
    0930-0063 1
    79cc; silver powder-coat
    $1,154.95 0930 - 0139 2
    79cc; wrinkle black powder-coat
    $1,154.95
    0930-0064 1
    79cc; wrinkle black powder-coat
    1,154.95 0930-0058
    79cc; wrinkle black powder-coat
    1,154.95
    0930-0065 1
    89cc; silver powder-coat
    1,154.95 0930-0068
    89cc; silver powder-coat
    1,154.95
    0930-0066 1
    89cc; wrinkle black powder-coat
    1,154.95 0930-0006
    89cc; wrinkle black powder-coat
    1,154.95 LIGHTING
    FOR 99-05 TWIN CAM
    1 Not for models with OEM compression releases.
    0930-0062
    79cc; silver powder-coat
    1,154.95 2
    .585” lift.
    COMPRESSION RATIOS
    89CC CHAMBER
    89CC CHAMBER
    89CC CHAMBER & MIRRORS
    ENGINE
    79CC CHAMBER
    CYLINDER
    ENGINE
    79CC CHAMBER
    CYLINDER
    ENGINE
    79CC CHAMBER
    CYLINDER
    DISPLACEMENT CYLINDER HEADS HEADS
    DISPLACEMENT CYLINDER HEADS HEADS
    DISPLACEMENT CYLINDER HEADS HEADS
    88”
    9.1
    8.3
    96”
    10.1
    9.2
    116”
    11.5
    10.4
    95”
    9.6
    8.7
    106” top end kit 10.6
    9.7
    1 With S&S 3 7 / 8 dome pistons,
    95” 1
    10.3
    9.3
    107”
    10.7
    9.7
    P ART  #DS-751306.
    0930-0060
    0930-0061
    PERFORMANCE REPLACEMENT HEADS FOR EVOLUTION BIG TWIN
  • Now S&S heads are available to be used with stock-style flat-top pistons
  • Kits are fully assembled, and include stainless steel valves and high-lift (.585”) springs
  • Intake manifold and gasket kits are sold separately; gasket kits contain head gaskets, base gaskets and exhaust pipe
  • gaskets (rocker box gaskets are not included due to the variety of available rocker box styles)
  • Optimized for smaller displacement engines
  • Slight increase in compression (8.8:1  in an 80” motor) with 82cc chamber volume
  • Port design increases flow, while maintaining velocity
  • Set up for .585” maximum lift
  • EFI compatible
  • Available in silver powder-coat or black powder-coat finish
  • Sold in pairs
  • 0934-0325
  • Made in the U.S.A.
  • P ART  #
    DESCRIPTION
    SUG. RETAIL P ART  #
    DESCRIPTION
    SUG. RETAIL WHEELS
    FOR 84-99 EVOLUTION BIG TWIN
    HEAD INSTALLATION GASKET SETS
    0930-0060
    Silver powder-coat
    $982.95 0934-0325
    3.5” bore
    $30.95
    0930-0061
    Black powder-coat
    1,039.95 0934-0326
    3.625” bore
    30.95 HARDWARE,
    DISCLAIMER: NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY POLLUTION CONTROLLED MOTOR VEHICLES.
    SEE PAGE 399 FOR IMPORTANT EMISSION DEFINITIONS AND REGULATORY COMPLIANCE AND WARRANTY INFORMATION.
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