ONI772T 71400 Exhaust Manifold Drill Template Kit For GM LS 4.8L 5.3L 6.0L Alt
71400 Exhaust Manifold Drill Template Kit For GM LS 4.8L 5.3L 6.0L Alt
71400 Exhaust Manifold Drill Template Kit For GM LS 4.8L 5.3L 6.0L Alt
71400 Exhaust Manifold Drill Template Kit For GM LS 4.8L 5.3L 6.0L Alt
71400 Exhaust Manifold Drill Template Kit For GM LS 4.8L 5.3L 6.0L Alt
71400 Exhaust Manifold Drill Template Kit For GM LS 4.8L 5.3L 6.0L Alt
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ONI772T 71400 Exhaust Manifold Drill Template Kit For GM LS 4.8L 5.3L 6.0L Alt
71400 Exhaust Manifold Drill Template Kit For GM LS 4.8L 5.3L 6.0L Alt
71400 Exhaust Manifold Drill Template Kit For GM LS 4.8L 5.3L 6.0L Alt
71400 Exhaust Manifold Drill Template Kit For GM LS 4.8L 5.3L 6.0L Alt
71400 Exhaust Manifold Drill Template Kit For GM LS 4.8L 5.3L 6.0L Alt
71400 Exhaust Manifold Drill Template Kit For GM LS 4.8L 5.3L 6.0L Alt
ONI772T 71400 Exhaust Manifold Drill Template Kit For GM LS 4.8L 5.3L 6.0L Alt 71400 Exhaust Manifold Drill Template Kit For GM LS 4.8L 5.3L 6.0L Alt 71400 Exhaust Manifold Drill Template Kit For GM LS 4.8L 5.3L 6.0L Alt 71400 Exhaust Manifold Drill Template Kit For GM LS 4.8L 5.3L 6.0L Alt 71400 Exhaust Manifold Drill Template Kit For GM LS 4.8L 5.3L 6.0L Alt 71400 Exhaust Manifold Drill Template Kit For GM LS 4.8L 5.3L 6.0L Alt
ONI772T 71400 Exhaust Manifold Drill Template Kit For GM LS 4.8L 5.3L 6.0L Alt

71400 Exhaust Manifold Drill Template Kit For GM LS 4.8L 5.3L 6.0L Alt

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Oni ToolsSKU: ONI772T
filler
Price:
$103.99

Description

  • Precision drill guide: centers over OEM ports; protects aluminum heads; pro-shop accuracy

  • Slip-fit bushings: quick index from hole to hole; includes tap-size bushing for stubborn studs

  • LS platform fitment: 4.8L/5.3L/6.0L truck & SUV engines (1999–2007); common GM/Chevy/GMC models

  • Heavy-duty build: hardened bushings, machined plate, alignment bolts; repeatable service use

  • Saves hours: remove broken exhaust manifold bolts without pulling cylinder heads; bay-ready

    Fitment Chart

    (Fitment is determined by engine platform; verify by engine RPO. Engines & year range referenced from competitor pages for LSIII 4.8/5.3/6.0 and typical 1999–2007 coverage.)

    Make Model Engine Years
    Chevrolet Silverado 1500 4.8L / 5.3L 1999–2007
    GMC Sierra 1500 4.8L / 5.3L 1999–2007
    Chevrolet Silverado 2500/2500HD 6.0L 1999–2007
    GMC Sierra 2500/2500HD 6.0L 1999–2007
    Chevrolet Tahoe 5.3L 2000–2006
    Chevrolet Suburban 1500/2500 5.3L / 6.0L 2000–2006
    GMC Yukon / Yukon XL 5.3L / 6.0L 2000–2006
    Chevrolet Avalanche 1500 5.3L 2002–2006
    Cadillac Escalade / ESV 6.0L 2002–2006
    Hummer H2 6.0L 2003–2007
    Chevrolet Express Van 6.0L 2003–2007
    GMC Savana Van 6.0L 2003–2007

    Stop fighting seized exhaust manifold bolts on GM LS trucks. The Oni Tools Exhaust Manifold Drill Template Kit delivers a precise, cylinder-head-safe way to drill and extract broken studs on GM/Chevy/GMC LS III 4.8L, 5.3L, and 6.0L engines. The machined base plate indexes off factory bolt holes while tapered alignment bolts and slip-fit, hardened bushings keep the bit straight so you can drill pilot, step, and tap-size holes with confidence. Use the included bushings to walk port-to-port without resetting the plate, then drive your extractor or tap to finish the repair. Built for professional technicians and serious DIYers, this jig solves the common LS manifold leak/bolt failure quickly—no head removal, no guesswork, and no damaged threads. Ideal for Silverado/Sierra, Tahoe/Suburban, Yukon, and 2500/HD platforms from 1999–2007. Replace dealer-only procedures with a repeatable, profitable process.

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