Call Us 407-705-3054 Mon-Fri 10AM-6PM EST
 











LS7 C6 Corvette Z06 Crank Scraper & Windage Tray Kit

[Part # EGM-740AC]

$279.00 Free Shipping Details
Add ARP Main Studs:
Part Number:
Qty:

Improved Racing designed this crankshaft scraper and windage tray kit specifically to improve oiling, reduce oil starvation, and free up horsepower on the C6 Z06 Corvette (and other LS7 applications).

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 nearly 2% at the wheels. Gains of up to 9 WHP can be expected on a stock Z06.

Improved Racing's second generation crankshaft scrapers are CNC-machined from 0.190" thick, 6061-T6 billet aluminum, making them twice as strong as our first generation steel scrapers. 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 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.

Features and Benefits

  • Guaranteed to increase horsepower by up to 2% at the wheels
  • Reduces oil starvation and aeration
  • 100% bolt-on installation
  • Windage tray is secured with locking, vibration-resistant self-clinching nuts
  • Compatible with factory LS7 crankshaft, factory LS7 rods, and factory main studs (EGM-740C) or ARP main studs (EGM-740AC)
  • Lifetime Warranty
  • Made in the USA
Includes
  • CNC-machined aluminum crank scraper
  • Aluminum windage tray
Technical Specifications
  • Material: 6061-T6 aluminum (scraper), 5052-H32 aluminum (windage tray)
  • Weight: 2.45 lbs (1.1 kg) (complete assembly)
Applications

This product is designed for direct installation in-to the following vehicle(s):
  • 2005-2013 Chevrolet C6 Corvette Z06, 7.0L LS7, dry-sump with ARP main studs installed
  • Other vehicles running the dry-sump LS7 powertrain and factory main studs (EGM-740C) or ARP main studs (EGM-740AC)
Applications

Please use the table below to select the correct part number for your application. Start with the vehicle (or oil pan if an engine swap) you are using on the left column, then move right to find the part number for your specific setup. The factory crankshaft stroke for all LS engines is 3.622", except for the LS7 (4.000") and 4.8 liter blocks (3.267").


Filters:
  • 2006-Present Chevrolet Caprice (PPV) V8
  • 2006-2017 Holden VE/VF Commodore
  • 2008-2009 Pontiac G8 GT & GXP
  • 2008-2013 Vauxhall VXR8
  • 2010-2015 Chevrolet Camaro SS (LS3 and L99)
  • 2012-2015 Chevrolet Camaro ZL1
  • 2014-2017 Chevrolet SS
  • Holley 302-1 Oil Pan
  • NOTE: May fit additional applications not listed
Factory 3.622 Factory EGM-730
ARP 3.622 Factory EGM-730A
Factory 3.622 All aftermarket H-beam rods except Callies Compstar* EGM-731
ARP 3.622 All aftermarket H-beam rods except Callies Compstar* EGM-731A
Factory 3.622 All aftermarket I-beam rods and Callies Compstar H-beam rods** EGM-732
ARP 3.622 All aftermarket I-beam rods and Callies Compstar H-beam rods** EGM-732A
Factory 4.000*** All aftermarket H-beam rods except Callies Compstar* EGM-741
ARP 4.000*** All aftermarket H-beam rods except Callies Compstar* EGM-741A
Factory 4.000*** All aftermarket I-beam rods and Callies Compstar H-beam rods** EGM-742
ARP 4.000*** All aftermarket I-beam rods and Callies Compstar H-beam rods** EGM-742A
  • 1998-2002 Camaro SS / Z28 ( F-Body)
  • 1998-2002 Pontiac Trans-Am / WS6 (F-Body)
  • Holley 302-2 Front Clearance Oil Pan
  • Moroso Front Clearance Oil Pan
Factory 3.622 Factory EGM-730F
ARP 3.622 Factory EGM-730AF
Factory 3.622 All aftermarket H-beam rods except Callies Compstar* EGM-731F
ARP 3.622 All aftermarket H-beam rods except Callies Compstar* EGM-731AF
Factory 3.622 All aftermarket I-beam rods and Callies Compstar H-beam rods** EGM-732F
ARP 3.622 All aftermarket I-beam rods and Callies Compstar H-beam rods** EGM-732AF
Factory 4.000*** All aftermarket H-beam rods except Callies Compstar* EGM-741F
ARP 4.000*** All aftermarket H-beam rods except Callies Compstar* EGM-741AF
Factory 4.000*** All aftermarket I-beam rods and Callies Compstar H-beam rods** EGM-742F
ARP 4.000*** All aftermarket I-beam rods and Callies Compstar H-beam rods** EGM-742AF
  • 1997-2006 Holden Commodore (VT, VX, VY & VZ)
  • 2003-2009 Chevrolet Trailblazer (5.3L, 6.0L)
  • 2001-2005 Holden Monaro (V2 CV8 & VZ)
  • 2002-2005 Vauxhall Monaro
  • 2003-2006 Chevrolet SSR (5.3L, 6.0L)
  • 2004-2007 Buick Rainier (5.3L)
  • 2004-2006 Pontiac GTO
  • 2005-2009 GMC Envoy (5.3L)
  • 2005-2009 Saab 9-7x (Arc / 5.3i, Aero)
Factory 3.622 Factory EGM-730G
ARP 3.622 Factory EGM-730AG
Factory 3.622 All aftermarket H-beam rods except Callies Compstar* EGM-731G
ARP 3.622 All aftermarket H-beam rods except Callies Compstar* EGM-731AG
Factory 3.622 All aftermarket I-beam rods and Callies Compstar H-beam rods** EGM-732G
ARP 3.622 All aftermarket I-beam rods and Callies Compstar H-beam rods** EGM-732AG
Factory 4.000*** All aftermarket H-beam rods except Callies Compstar* EGM-741G
ARP 4.000*** All aftermarket H-beam rods except Callies Compstar* EGM-741AG
Factory 4.000*** All aftermarket I-beam rods and Callies Compstar H-beam rods** EGM-742G
ARP 4.000*** All aftermarket I-beam rods and Callies Compstar H-beam rods** EGM-742AG
  • 2004-2015 Cadillac CTS-V
Factory 3.622 Factory EGM-730A-X
ARP 3.622 Factory EGM-730A
Factory 3.622 All aftermarket H-beam rods except Callies Compstar * EGM-731F
ARP 3.622 All aftermarket H-beam rods except Callies Compstar * EGM-731AF
Factory 3.622 All aftermarket I-beam rods and Callies Compstar H-beam rods ** EGM-732F
ARP 3.622 All aftermarket I-beam rods and Callies Compstar H-beam rods ** EGM-732AF
Factory 4.000*** All aftermarket H-beam rods except Callies Compstar * EGM-741F
ARP 4.000*** All aftermarket H-beam rods except Callies Compstar * EGM-741AF
Factory 4.000*** All aftermarket I-beam rods and Callies Compstar H-beam rods ** EGM-742F
ARP 4.000*** All aftermarket I-beam rods and Callies Compstar H-beam rods ** EGM-742AF
  • 1997-2004 (C5) Corvette "Batwing" oil pan. NOTE: Scraper only, does not use a windage tray
Factory 3.622 Factory EGM-330
ARP 3.622 Factory EGM-330A
Factory 3.622 All aftermarket H-beam rods except Callies Compstar* EGM-331
ARP 3.622 All aftermarket H-beam rods except Callies Compstar* EGM-331A
Factory 3.622 All aftermarket I-beam rods and Callies Compstar H-beam rods** EGM-332
ARP 3.622 All aftermarket I-beam rods and Callies Compstar H-beam rods** EGM-332A
Factory 4.000*** All aftermarket H-beam rods except Callies Compstar* EGM-341
ARP 4.000*** All aftermarket H-beam rods except Callies Compstar* EGM-341A
Factory 4.000*** All aftermarket I-beam rods and Callies Compstar H-beam rods** EGM-342
ARP 4.000*** All aftermarket I-beam rods and Callies Compstar H-beam rods** EGM-342A
  • 2005-2013 (C6) Corvette oil pan, wet sump only. NOTE: Includes a baffle instead of a windage tray.
Factory 3.622 Factory EGM-216
ARP 3.622 Factory EGM-216A
Factory 3.622 All aftermarket H-beam rods except Callies Compstar * EGM-220
ARP 3.622 All aftermarket H-beam rods except Callies Compstar * EGM-220A
Factory 3.622 All aftermarket I-beam rods and Callies Compstar H-beam rods ** EGM-221
ARP 3.622 All aftermarket I-beam rods and Callies Compstar H-beam rods ** EGM-221A
Factory 4.000*** Factory LS7 rods EGM-217
ARP 4.000*** Factory LS7 rods EGM-217A
Factory 4.000*** All aftermarket H-beam rods except Callies Compstar * EGM-218
ARP 4.000*** All aftermarket H-beam rods except Callies Compstar * EGM-218A
Factory 4.000*** All aftermarket I-beam rods and Callies Compstar H-beam rods ** EGM-219
ARP 4.000*** All aftermarket I-beam rods and Callies Compstar H-beam rods ** EGM-219A
  • 2006-2013 (C6) Z06 Corvette, LS7, dry sump only
Factory Factory 4.000 Factory LS7 rods EGM-740C
ARP Factory 4.000 Factory LS7 rods EGM-740AC
  • 2009-2012 Chevrolet Colorado / GMC Canyon (5.3L)
  • 2010 Hummer H3 (5.3L)
  • GM LS Muscle Car and Retro Rod Pan Kit # 19212593
Factory 3.622 Factory EGM-730
ARP 3.622 Factory EGM-730A
Factory 3.622 All aftermarket H-beam rods except Callies Compstar * EGM-731
ARP 3.622 All aftermarket H-beam rods except Callies Compstar * EGM-731A
Factory 3.622 All aftermarket I-beam rods and Callies Compstar H-beam rods ** EGM-732
ARP 3.622 All aftermarket I-beam rods and Callies Compstar H-beam rods ** EGM-732A
Factory 4.000*** All aftermarket H-beam rods except Callies Compstar * EGM-741-X
ARP 4.000*** All aftermarket H-beam rods except Callies Compstar * EGM-741A-X
Factory 4.000*** All aftermarket I-beam rods and Callies Compstar H-beam rods ** EGM-742-X
ARP 4.000*** All aftermarket I-beam rods and Callies Compstar H-beam rods ** EGM-742A-X

* Fitment verified for: Manley H-Beam, Thompson Motorsports H-Beam, Eagle H-Beam, Lunati H-Beam. Fits most H-beam rods except Callies Compstar.

** Fitment verified for: Callies H-beam, Callies I-beam, Lunati I-beam, Oliver I-beam, Scat I-beam, Manley I-beam. Fits most I-beam rods.

*** Fitment Note: Minor clearancing around counterweights is required for Callies Dragonslayer 4.000" crankshafts.

Do you own this product?

There are currently no product reviews.
Customers who bought this product also purchased
Trap Doors for Oil Pans and Fuel Cells (4-Pack)
Trap Doors for Oil Pans and Fuel Cells (4-Pack)
LS Pan Oil Cooler Delete Kit
LS Pan Oil Cooler Delete Kit
Single-Piece Replacement Oil Pan Gasket for GM LS Engines
Single-Piece Replacement Oil Pan Gasket for GM LS Engines
LS Engine Oil Pump Pickup Tube Brace / Clamp
LS Engine Oil Pump Pickup Tube Brace / Clamp
Oil Level Dipstick Tube Plug - 12667039
Oil Level Dipstick Tube Plug - 12667039
Windage Tray Lock-Nuts, GM LS Engines, Factory Main Studs
Windage Tray Lock-Nuts, GM LS Engines, Factory Main Studs
Improved Racing T-Shirt
Improved Racing T-Shirt
C6 Corvette Z06 / ZR1 Dry Sump Oil Pan Baffle
C6 Corvette Z06 / ZR1 Dry Sump Oil Pan Baffle
 
 
 

Item(s) added to cart


 

Adding item(s) to cart...