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LS2, LS3 C6 Corvette Racing Oil Pan Baffle & Crank Scraper Kit

[Part # EGM-21X]

$379.00 Free Shipping Details
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Improved Racing designed this baffle and crank scraper kit specifically for the wet sump C6 Corvette oil pan. This kit offers variants with clearance for 4.000" stroke engines with most factory or aftermarket connecting rods and crankshafts as well as factory or ARP main studs.

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 baffle itself acts as a windage tray and is designed to clear up to 4" stroke crankshafts.

The baffle and crankshaft scrapers 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

  • Guaranteed to increase horsepower by up to 10 WHP
  • Significantly reduces oil starvation and aeration
  • Directional trap door baffling prevents oil starvation at up to 1.3-1.4 lateral G's
  • Rods are scraped by both the scraper and the oil pan baffle for maximum performance
  • Eliminates the heavy steel factory windage tray
  • 100% bolt-on installation
  • 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
  • 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 (baffle / windage tray)
  • Weight: 2.76-2.87 lbs (1.25-1.30 kg) (complete assembly)
Applications

Please use the table below to select the correct part number for your application. Identify the rod group your connecting rods belong to, then start with the vehicle (or oil pan if an engine swap) you are using in the left column. 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").

These scrapers are not compatible with aftermarket crankshafts with center counterweights (8 counterweights). They are compatible with factory-style, 6-counterweight crankshafts only.


Connecting Rod Groups

Rod Group 0
(Factory Rods)
General Motors All factory LS rods
Rod Group 1 Eagle CRS6125BLW
K1 012AE25610
Lunati All H-beam
Manley All H-beam
Oliver All H-beam
Scat All H-beam
Thompson Motorsports All H-beam
All Others Most other brand H-beam rods not listed in Group 2
Rod Group 2 Callies Compstar H-beam
Callies Ultra I-beam
Eagle All I-beam
Eagle CRS6100L3D
Eagle CRS6100M3D
Eagle CRS6125O3D
Eagle CRS6125O3D2000
Eagle All others not listed
General Motors LS7 Titanium Connecting Rods
General Motors LS9 Connecting Rods
K1 012AE25613
K1 012AE25613ST
K1 012AE25613L
K1 All others not listed
Lunati All I-beam
Manley All I-beam
Oliver All I-beam
Scat All I-beam
Texas Speed All
All Others Most other brand I-beam rods


Crankshaft Scraper Applications

  • Chevrolet Corvette (C6), Wet Sump, 2005-2013
  • NOTE: Includes a baffle instead of a windage tray.
3.622 Factory EGM-216
3.622 Rod Group 1 EGM-220
3.622 Rod Group 2 EGM-221
4.000 Factory LS7 rods EGM-217
4.000 Rod Group 1 EGM-218
4.000 Rod Group 2 EGM-219

Looking for the legacy application list? Click here.

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