LS versions have the top bellhousing bolt at 12 o’clock and use a 300 mm input/converter. Earlier non-LS units lack the top bolt and use a 298 mm converter.
1998+ F bodys, like Camaros, Firebirds also 1998+ Corvettes, 1999–2006 LS trucks/SUVs and the 2007 Classic Silverado/Sierra 1500. In 2007 new-body (GMT900) trucks, GM moved to the 4L70E. 2007 full-size SUVs (Tahoe/Suburban/Yukon) were new-body only—no “Classic”—so they typically use the 4L70E.
Check for the top 12-o’clock bolt and verify the 300 mm converter spec. Provide your VIN at checkout and we’ll validate before build.
Yes. Each package includes a matched 300 mm LS-spec converter (billet upgrades available on Sport/Track tiers).
We configure solenoids/valve-body for your year. Perform a crank/PCM relearn after install for best results.
Always flush or replace the cooler and lines to protect the new unit and maintain warranty coverage.
Order the correct output/tailhousing. If you’re changing configurations, let us know—we’ll build it to your setup.
Coverage is listed per tier—up to 6 Years / Unlimited Miles. Extend can continue protection after the Monster term.
*HP figures are guidance; vehicle weight, tires, gearing, load, and tuning affect capacity. When in doubt, step up a level.
