99T Magnesium Bellhousing Kits with Sport 5.5 Clutch

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99T Magnesium Bellhousing Kits with Sport 5.5 Clutch are designed to provide the weight saving of a magnesium bellhousing with the lower cost of Tilton’s 8-leg Sport 5.5 clutch.

The lightweight and rigid magnesium 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 value-packed Sport 5.5 clutch and small diameter 99-tooth cover-mount ring gear provides low inertia and maximum reliability.

Typical Applications

  • Late Model
  • Super Late Model
  • Asphalt Modified

Kit Includes:

Bellhousing

  • Magnesium rear-mount starter bellhousing designed for maximum weight savings
  • Compact design provides increase ground clearance and exhaust header clearance. Distance from the centerline of the crankshaft to the bottom of the 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 7.6 lbs

 

Clutch-Flywheel Assembly

  • Sport 5.5 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-Series 3.0 HP 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-disc52-61120
5.5 ULTRA 3-disc52-61130
5.5 ULTRA 3-disc with 1/4" Mid Plate52-61131
Chevy Crate5.5 ULTRA 2-disc52-64120
5.5 ULTRA 3-disc52-64130
Chevy LS5.5 ULTRA 2-disc52-63120
5.5 ULTRA 3-disc52-63130
5.5 ULTRA 3-disc with 1/4" Mid Plate52-63131
Ford Small Block5.5 ULTRA 2-disc52-62120
5.5 ULTRA 3-disc52-62130
5.5 ULTRA 3-disc with 1/4 Mid Plate52-62131

*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, magnesium52-571
Ford, magnesium52-572
Flywheels
DescriptionPart Number
Button flywheel, Chevy Early19002
Button flywheel, Chevy Crate, balanced19023
Button flywheel, Chevy LS19044
Button flywheel, Ford Small Block19045
Ring gear, 99-tooth51-099-4
Ring gear spacer, ULTRA 5.5 2-disc51-001
Clutches and Disc Packs
DescriptionPart Number
Sport 5.5, 2-disc metallic67-902HG
Disc pack, 2 discs, 26 spline64140-1-AA-36
Sport 5.5, 3-disc metallic67-903HG
Disc pack, 3 disc, 26-spline64140-1-ABA-36
Hydraulic Release Bearing
ClutchPart Number
HRB, Sport 5.5 2-disc clutch60-2340
HRB, Sport 5.5 3-disc clutch60-2310
HRB Sport 5.5 3-disc clutch, ¼” mid-plate appl60-2341
Super Starter
DescriptionsPart Number
Super Starter, bellhousing mount54-41072
Bolt Kits
DescriptionsPart Number
Clutch bolt kit95-036
Clutch bolt kit, ¼” mid-plate appl95-069
Flywheel bolt kit, all except Chevy LS95-952-6
Flywheel bolt kit, Chevy LS95-940-6