99T Aluminum Bellhousing Kits with 5.5 Ultra Clutch

$3,200$3,430

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99T 5.5 Aluminum Bellhousing Kits with 5.5 Ultra Clutch meet the requirements of racing series that do not allow magnesium bellhousings while providing the lowest weight and inertia of Tilton’s 6-leg 5.5 Ultra clutch.

The lightweight and rigid aluminum bellhousing provides maximum ground clearance and features an easy access side-bolt mounting system for the starter.  Unlike other bellhousings on the market, the transmission no longer has to be removed in order to service the starter.  The lightweight and 5.5 ULTRA clutch and small diameter 99-tooth cover-mount ring gear provides an ultra-low inertia and maximum reliability.

Typical Applications

  • Late Model
  • Super Late Model
  • Asphalt Modified

Kit Includes:

Bellhousing

  • Aluminum rear-mount starter bellhousing designed for maximum weight savings
  • Compact design provides increase ground clearance and exhaust header clearance. Distance from centerline of crankshaft to bottom of bellhousing is only 4.5”
  • Integral mounting ears for use as rear engine mount
  • Accepts transmissions with Chevy 4-bolt mounting pattern and 4.68” register diameter
  • Blueprinted for parallelism and concentricity
  • Weighs 11.4 lbs

Clutch-Flywheel Assembly

  • 5 ULTRA metallic clutch. 2-disc and 3-disc options
  • Billet steel 99-tooth (8.42”) ring gear
  • Button Flywheel
  • 26-Spline clutch disc pack
  • Aircraft-grade clutch bolts
  • High-strength ARP flywheel bolts

Hydraulic Release Bearing


Super Starter

  • 40000-Series0HP high-torque gear reduction mini starter
  • Side-bolt mounting design provides secure mounting to bellhousing and easy access for service
Includes: bellhousing, flywheel, clutch, disc pack, hydraulic release bearing, Super Starter and related hardware.

 DescriptionPart Number
Chevy Early5.5 ULTRA 2-disc52-71620
5.5 ULTRA 3-disc52-71630
5.5 ULTRA 3-disc with 1/4" Mid Plate52-71631
Chevy Crate5.5 ULTRA 2-disc52-74620
5.5 ULTRA 3-disc52-74630
Chevy LS5.5 ULTRA 2-disc52-73620
5.5 ULTRA 3-disc52-73630
5.5 ULTRA 3-disc with 1/4" Mid Plate52-73631
Ford Small Block5.5 ULTRA 2-disc52-72620
5.5 ULTRA 3-disc52-72630
5.5 ULTRA 3-disc with 1/4" Mid Plate52-72631

*For use with 1/4″ mid-plate between engine and bellhousing, such as Asphalt Modifieds.

Note: All packages are designed for use with transmissions that have a Chevy bolt pattern and a 1 5/32″ X 26 spline input shaft.

Bellhousings
DescriptionPart Number
Chevy, aluminum52-671
Ford, aluminum52-672

Flywheels
DescriptionPart Number
Button flywheel, Chevy Early19038
Button flywheel, Chevy Crate, balanced19042
Button flywheel, Chevy LS19041
Button flywheel, Ford Small Block19043
Ring gear, 99-tooth51-099-2
Ring gear spacer, ULTRA 5.5 2-disc51-001
Clutches and Disc Packs
DescriptionPart Number
5.5 ULTRA, 2-disc metallic67-202HG
Disc pack, 2 discs, 26 spline64140-9-AA-36
5.5 ULTRA, 3-disc metallic67-203HG
Disc pack, 3 disc, 26-spline64140-9-ABA-36
Hydraulic Release Bearing
ClutchPart Number
HRB, 5.5 ULTRA 2-disc clutch60-2340
HRB, 5.5 ULTRA 3-disc clutch60-2310
HRB, 5.5 ULTRA 3-disc clutch, ¼” mid-plate app60-2341
Super Starter
DescriptionsPart Number
Super Starter, bellhousing mount54-41072
Bolt Kits
DescriptionsPart Number
Clutch bolt kit95-036
Clutch bolt kit, ¼” mid-plate app95-068
Flywheel bolt kit, all except Chevy LS95-952-6
Flywheel bolt kit, Chevy LS95-940-6