-40%

SGI Forged 4340 Steel Crankshafts Pontiac 400 4.210" 4.250" 4.500 & 461/488 Kits

$ 261.36

Availability: 44 in stock
  • Warranty: No
  • Surface Finish: forged 4340 steel
  • Condition: New
  • Manufacturer Part Number: C3-400PAC, C3-400PB, C3-400PC
  • Brand: SGI

    Description

    SGI
    Forged 4340 Steel Crankshafts for Pontiac 400 4.210" 4.250" 4.500" & 461/488 Kits
    By Choosing a
    SGI
    Crankshaft marked with P/N
    C3-400P
    , you’ll receive one of the finest high performance crankshafts on the market available today.
    Star Galaxy Inc
    crankshafts dominate the industry when it comes to precision
    CNC
    ’d crankshafts. Utilizing only daily calibrated state of the art
    CNC
    equipment, working in unison along with extremely high qualified master craftsmen,
    SGI
    crankshafts has incorporated all the precision and detail with high production capabilities in a mass array of applications and designs.
    SGI
    C3-400P
    series
    crankshaft is features: 4340 AQ Chromalloy steel non-twist forgings; Multiple stage heat treatments; X-rayed; Magnafluxed and Sonic tested; Completely
    CNC
    machined with a two step micro polishing on the journals; Oil passages are cross drilled; Crankshafts are plasma nitride to a minimum depth of 0.060; 3D exclusively designed arrow counterweights and gun drilled mains for 20% less crankcase windage than our competitors. 1 inch lightening holes in all 4 rod throws reduces rotating mass and helps eliminate the need of Mallory when balancing.
    Customer Service:
    1-909-569-2738,
    or get questions answered at
    stargalaxyinc.com
    Multiple
    Parts listed under item,
    Note us part number when ordering please,
    or we'll delay to ship
    until
    you note us the part number.
    Part Number
    DESCRIPTIONS
    Stroke
    Main Journal
    Rod Journal
    Rods
    Weight
    Rated HP
    Price
    C3-400P
    Pontiac 400, 4.000”, Chevy Journal
    4.000”
    2.9990-3.0000
    2.1990-2.2000
    6.700”
    76 lbs
    1200
    out
    C3-400PA
    Pontiac 400, 4.210”, Pontiac Journal
    4.210”
    2.9990-3.0000
    2.2488-2.2498
    6.625”
    76 lbs
    1200
    out
    C3-400PAC
    Pontiac 400, 4.210”, Chevy Journal
    4.210”
    2.9990-3.0000
    2.21990-2.2000
    6.700”
    76 lbs
    1200
    0
    C3-400PB
    Pontiac 400, 4.250”, Chevy Journal
    4.250”
    2.9990-3.0000
    2.1990-2.2000
    6.800”
    76 lbs
    1200
    0
    C3-400PC
    Pontiac 400, 4.500”, Chevy Journal
    4.500”
    2.9990-3.0000
    2.1990-2.2000
    6.800”
    76 lbs
    1200
    0
    Each unit is marked with a assigned part number of
    C3-400PC
    , then gets well packed in a stronger carton box with triple layer of wall, at a size of 30” X 7.5” X 7.5”, with a shipping weight of
    80
    lbs. Weights and dimensions are for reference only, actual data may vary. Prices are based from our California warehouse (zip code 91789), and subject to change without prior notice. Check part number and specifications first before ordering. Most orders will be shipped within 24 hours.
    The following chart may help, for reference information only, on other components connecting to the crankshaft you interested:
    Choice A -
    Assembling Kits  AK3
    -
    461 or 488
    :
    SGI
    rotating kit includes AK3- assembled combo of
    SGI
    forged 4340 steel crankshaft,
    SGI
    forged 4340 steel H or I beam rods with ARP 2000 cap screw bolts, forged aluminum pistons & Moly rings.
    Special requests may require 2 weeks to hit your door and must be prepaid, to insure receipt of your kit(s).
    Notes on Forged 2168 High Strength Alloy Pistons:
    FTP
    - Flat Top,
    DTP
    - Dome,
    RDP
    - Reverse Dome,
    DIP
    – Dish Top,
    C/H
    - Chamber High,
    T/V
    - Top Volume,
    C/R
    – Compression Ratio
    KIT NUMBER
    Crankshaft
    SGI Rods
    PISTON
    BORE
    C/H
    T/V
    COMPRESSION RATIO
    PIN
    RINGS
    PRICE
    78cc
    87cc
    AK3-455 FTP1
    C3-400PA  4.210
    R3-6625 H
    14722
    20
    4.171
    1.485
    -5.50cc
    11.62
    10.08
    .980X2.750
    3150032
    1690
    30
    4.181
    11.66
    10.12
    AK3-455 FTP2
    C3-400PAC 4.210
    R3-6635 H
    14722
    20
    4.171
    1.485
    -5.50cc
    11.62
    10.08
    .990X2.750
    3150032
    1690
    30
    4.181
    11.66
    10.12
    AK3-461 FTP
    C3-400PB 4.250
    R3-6800 H/I
    14838
    35
    4.155
    1.295
    -5.50cc
    11.65
    10.11
    .990x2.500
    3150032
    1690
    65
    4.185
    11.78
    10.23
    AK3-461 RDP
    C3-400PB 4.250
    R3-6800 H/I
    14850
    35
    4.155
    1.295
    -21.7cc
    10.02
    8.94
    .990x2.500
    3150032
    1690
    65
    4.185
    10.14
    9.05
    AK3-488 FTP
    C3-400PC  4.500
    R3-6800 H/I
    14842
    35
    4.155
    1.170
    -5.50cc
    12.27
    10.64
    .990x2.500
    3150032
    1690
    65
    4.185
    12.42
    10.77
    AK3-488 RDP
    C3-400PC  4.500
    R3-6800 H/I
    14856
    35
    4.155
    1.170
    -21.7cc
    10.02
    8.94
    .990x2.500
    3150032
    1690
    65
    4.185
    10.14
    9.05
    Choice B -
    Balanced Assembling Kits
    -
    Plus 0:
    By choosing
    SGI
    completely assemblies, spun and balanced by extremely highly qualified master craftsmen, you’ll receive one of the finest stroke kits available today. Just extra 0 (you’ll finally balance it anyway), get a whole kit internally balanced, along with STD main bearings, H-series rod bearings, SFI steel damper, and SFI flexplate.
    Shipping cost on kit will be around 0 nationwide.
    We accept Visa / Master cards, and
    PayPal
    payment. Will call is available for a fee.
    Please read and understand the listing before committing to buy it now.
    It’s buyer’s responsibility to check the sizes and specifications of all parts for application(s) before ordering. Orders which are qualified will be shipped out after payment clears. All goods ordered and shipped are on final and not subject to exchange or return.