LS & Vortec Engine Crank Scraper & Windage Tray Kit, Front Sump Pans

$279.00
Part #
EGM-7XXG Configurator

Free shipping on USA orders over $49

  • Increases horsepower by up to 10 WHP
  • Reduces oil starvation and aeration
  • 70% stronger and 10% lighter than the factory windage tray
  • Completely bolt-on installation
  • Made in the USA and backed by a lifetime warranty

Improved Racing Warranty Badge

Part # EGM-7XXG Configurator
Customize LS & Vortec Engine Crank Scraper & Windage Tray Kit, Front Sump Pans
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LS & Vortec Engine Crank Scraper & Windage Tray Kit, Front Sump Pans
LS & Vortec Engine Crank Scraper & Windage Tray Kit, Front Sump Pans

In stock

Free shipping on USA orders over $49

$279.00

Summary

    Improved Racing designed these crankshaft scraper and windage tray kits for direct bolt-on installation in 3.622" and 4.0" stroke LS engines, with either factory or aftermarket crankshafts and rods. These kits are compatible with most front-sump factory and aftermarket pans, such as the Pontiac GTO oil pan.

    Improved Racing's crankshaft scrapers help reduce oil starvation by closely contouring the crankshaft and rods to remove excess oil, ensuring oil is quickly returned to the bottom of the sump. Crank scrapers also help reduce parasitic drag and windage losses caused by excess oil on the crank, which reduces rotational mass and results in dyno-proven gains of 5-10 HP at the wheels.

    Our scrapers are CNC-machined from 0.190" thick, 6061-T6 billet aluminum. The crankshaft scraper kits also include an aluminum windage tray that is 10% lighter, 70% stronger, and provides more clearance for aftermarket rods than the factory windage tray. The included windage tray bolts directly to the scraper with self-clinching lock nuts instead of the main cap studs, allowing it to be installed without disturbing the scraper alignment.

    The crankshaft scrapers and windage trays were designed in CAD software using actual GM part models, prototyped, and test-fitted for a completely bolt-on fit in every listed application. The factory oil pump pickup tube is kept in the factory location with no compromises or modifications required.

    Crank Scraper kits are compatible with factory or ARP main cap studs. Reducer spacers as well as Class 10, flanged zinc-plated steel distorted thread lock nuts are included for use with factory main cap studs. For ARP main cap studs, use the nuts supplied by ARP.

    Features and Benefits

    • Increases horsepower by up to 10 WHP
    • Scraper and windage tray assembly is 70% stronger and 10% lighter than the factory windage tray
    • Reduces oil starvation and aeration
    • 100% bolt-on installation
    • Windage tray is secured with locking, vibration-resistant hardware
    • Includes reducer bushings and upgraded main cap stud lock nuts for factory studs
    • Lifetime Warranty
    • Made in the USA

    Includes

    • CNC-machined aluminum crank scraper
    • Aluminum windage tray
    • Self-clinching windage tray-to-scraper mounting hardware
    • Flanged, locking scraper-to-main cap stud mounting nuts (for use with factory studs only)
    • 4 x reducer bushings for centering the scraper when using factory main cap studs

    Technical Specifications

    • Material: 6061-T6 aluminum (scraper), 5052-H32 aluminum (windage tray)
    • Weight: 2.13-2.52 lbs (0.96-1.14 kg) (complete assembly)

    Applications

    • Compatible with the following oil pans:
      • Buick Rainier (5.3L), 2004-2007
      • Chevrolet SSR (5.3L, 6.0L), 2003-2006
      • Chevrolet Trailblazer (5.3L, 6.0L), 2003-2009
      • GMC Envoy (5.3L), 2005-2009
      • Holden Commodore (VT, VX, VY & VZ), 1997-2006
      • Holden Monaro (V2 CV8 & VZ), 2001-2005
      • Pontiac GTO, 2004-2006
      • Saab 9-7x (Arc / 5.3i, Aero), 2005-2009
      • Vauxhall Monaro, 2002-2005
    • These scrapers are not compatible with aftermarket crankshafts with center counterweights (8 counterweights). They are compatible with factory-style, 6-counterweight crankshafts only.
    • Oil pan must have a minimum depth of 1.70'', not including the gasket, to clear the windage tray.
    • Please use the crankshaft scraper application table to select the correct part number for your application.
    Specifications
    Drop Ship Item
    No
    Special Order Item
    No
    Color
    Natural
    Clears Connecting Rods
    Group 0 (Factory Rods)
    Group 1 (Most H-Beam Rods)
    Group 2 (Most I-Beam Rods)
    Callies Compstar H-beam
    Callies Ultra I-beam
    Eagle CRS6125BLW
    Eagle CRS6100L3D
    Eagle CRS6125O3D
    Eagle CRS6125O3D2000
    Eagle
    All I-Beam Rods
    Eagle
    All others not listed
    GM
    All OEM LS Rods Except LS7 & LS9
    GM OEM LS7 Rods
    GM OEM LS9 Rods
    K1 012AE25613
    K1 012AE25613ST
    K1 012AE25613L
    K1 012AE25610
    K1
    All Others Not Listed
    Lunati
    All I-Beam Rods
    Lunati
    All H-Beam Rods
    Manley
    All H-Beam Rods
    Manley
    All I-Beam Rods
    Most Other Brand I-Beam Rods
    Most Other Brand H-Beam Rods Not Listed in Group 2
    Oliver
    All I-Beam Rods
    Oliver
    All H-Beam Rods
    Scat
    All I-Beam Rods
    Scat
    All H-Beam Rods
    Texas Speed
    All Rods
    Thompson Motorsports
    All H-Beam Rods
    Fits Oil Pan
    Chevrolet Trailblazer (5.3L
    6.0L)
    2003-2009
    GMC Envoy (5.3L)
    2005-2009
    Holden Commodore (VT
    VX
    VY & VZ)
    1997-2006
    Holden Monaro (V2 CV8 & VZ)
    2001-2005
    Pontiac GTO
    2004-2006
    Saab 9-7x (Arc / 5.3i
    Aero)
    2005-2009
    Vauxhall Monaro
    2002-2005
    Manufacturer
    Improved Racing
    Instruction Manuals
    CRANK SCRAPER & WINDAGE TRAY FOR LS & VORTEC ENGINES
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