Pontiac Firebird Clutch Flywheel Replacement

168 Teeth

Solid Disc Flywheel Standard; 8th Digit of VIN # E or F

10-3/8" Disc; 26 Spline

Solid Disc Flywheel Standard

153 Teeth

Solid Disc Flywheel Standard

10-1/2" Disc; 10 Spline

LS1

Teeth: 168 Outer Diameter: 14.13"

Teeth: 168 Outer Diameter: 14.13"

153 Teeth; Weight 17 lbs.; 2 Bolt Pattern; 12.835 in. O. D.; 2.068 in. Flywheel Flange; 0.960 in. Flywheel Height; Nodular Iron

Teeth: 153 Outer Diameter: 12.88"

Teeth: 153 Outer Diameter: 12.88"

Billet Steel; SFI-Spec 1.1; Internal Balance; 25 lbs.; 168T [See Notes 1; 2; 3; 5]

10.5", 1 1/8-26 Spline; 4 SPEED 4 BBL, 2.750" CRANK PILOT; Crank pilot refers to flywheel center hole opening

OEM 11.75; 11 in. Diaphragm

11", 1 1/8-26 Spline; 12" OPTION

10.5", 1 1/8-10 Spline; ALL

11", 1 1/8-26 Spline; 4 SPEED 4 BBL, 2.750" CRANK PILOT; Crank pilot refers to flywheel center hole opening

10.5", 1 1/8-10 Spline; ALL, 2.750" CRANK PILOT DIAMETER; Crank pilot refers to flywheel center hole opening

2.75 Register; 166 Teeth; 0 Balance

142 Teeth; w/o Weight

10.5", 1 1/8-26 Spline; ALL

11", 1 1/8-26 Spline; 12" OPTION

SFI 6061 T-6 Billet Aluminum 153T Neutral Balance w/2 pc. Rear Seal For 10/10.5/10.95 in. OE Style Clutch Applications

SFI-Spec 1.1; External Balance w/24.45 in.-oz. Removable Weight; 14 lbs.; 168T Flywheel; 1045 Serviceable Steel Friction Plate

11", 1 1/8-26 Spline; ALL

11", 1 1/8-26 Spline; 12" OPTION

OEM 11.75; 11 in. Diaphragm

166 Teeth; Weight 30.1 lbs.; 2/3 Bolt Pattern; 7.5 in./oz Counter Balance; 2.490 in. Dia. Crank Flange

2.75 Register; 0 Balance; 166 Teeth

10.5", 1 1/8-10 Spline; ALL, 2.750" CRANK PILOT DIAMETER; Crank pilot refers to flywheel center hole opening

11", 1 1/8-26 Spline; ALL

Replacement Of Dual Mass Flywheel May Cause Added Gear Noise~ External Balance Weights Are Included In The Hardware Kit

153 Teeth; Weight 29 lbs.; 24 Bolt Pattern; 12.835 in. Outside Diameter; 24.4 in./oz Counter Balance

166 Teeth; Weight 30.6 lbs.; 2/3 Bolt Pattern; 4.22 in./oz Counter Balance; 2.750 in. Dia. Crank Flange

153 Teeth; Weight 29 lbs.; 24 Bolt Pattern; 12.835 in. Outside Diameter; 23.4 in./oz Counter Balance

153 Teeth; Weight 31 lbs.; 2 Bolt Pattern; 12.835 in. Outside Diameter; 23.4 in./oz Counter Balance

153 Teeth; Weight 27.5 lbs.; 24 Bolt Pattern; 12.835 in. Outside Diameter; 33 in./oz Counter Balance

OEM Pull Type

11", 1 1/8-26 Spline; ALL

Steel; Neutral Internal Balance; 168 Gear Teeth; 30 lbs.

168 Teeth; 14 Bolt Pattern; 14.105 in. Outside Diameter; 6 Bolt Crankshaft; 0 oz. Counter Balance

153 Tooth Ring Gear For 383 or 400 C.I.D. engine must use part #624001 balance plate For 454 C.I.D. engine must use part #624541 balance plate For 502 C.I.D. engine must use part #625021 balance plate To mount Corvette ZF 6 speed 2 pc rear main seal engine

153 Teeth; Weight 29.3 lbs.; 24 Bolt Pattern; 12.835 in. Outside Diameter; w/o Counter Balance

Replacement Of Dual Mass Flywheel May Cause Added Gear Noise~ External Balance Weights Are Included In The Hardware Kit

8 Bolt; One Piece Billet Chromoly Steel; 18.0 lb

Steel; Neutral Internal Balance; w/Large Register Bore; 166 Tooth; 30 lbs.

Billet Aluminum; Internal Balance; 168 Tooth; 14 lbs.; w/Steel Friction Plate

Steel; Detroit External Balance; 168 Tooth; 30 lbs.; w/Small Journal

Steel; Detroit External Balance; 153 Tooth; 30 lbs.; Bolts Included; Fits w/Small Journal Ring Gear Only

For Use w/PN[GT04XD]