Availability
Clutch Kits, Street 450 Clutch Conversion Kits, 1.125 in. - 10-spline, Single Organic Disc, 11.000 in. Diameter, Buick, Chevy, Olds, Pontiac, Kit
Part Number: HAY-91-1004
Estimated Ship Date: Nov 17, 2025 if ordered today
Estimated Ship Date: Nov 17, 2025 if ordered today
Gear, Ring and Pinion, 3.73:1 Ratio, GM, 7.5 in./7.625 in., 10-Bolt, 3 Series, Set
Part Number: RMG-4900461
Estimated Ship Date: Monday 10/27/2025
Estimated Ship Date: Monday 10/27/2025
Gear, Ring and Pinion, 4.56:1 Ratio, GM, 8.5/8.6 in., Set
Part Number: MGR-G885456
Estimated Ship Date: Monday 10/27/2025
Estimated Ship Date: Monday 10/27/2025
Gear, Ring and Pinion, 4.88:1 Ratio, GM, 8.5/8.6 in., Set
Part Number: MGR-G885488
Estimated Ship Date: Monday 10/27/2025
Estimated Ship Date: Monday 10/27/2025
Gear, Ring and Pinion, 4.88:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, 3 Series, Set
Part Number: RMG-6901691
Estimated Ship Date: Monday 10/27/2025
Estimated Ship Date: Monday 10/27/2025
Gear, Ring and Pinion, 3.23:1 Ratio, GM 8.5 in., Set
Part Number: RNB-697-810
Not Yet Reviewed
Estimated Ship Date: Monday 10/27/2025
Estimated Ship Date: Monday 10/27/2025
Gear, Ring and Pinion, 4.30:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, Set
Part Number: MGR-GM10-430
Estimated Ship Date: Monday 10/27/2025
Estimated Ship Date: Monday 10/27/2025
Gear, Ring and Pinion, 5.57:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, 3 Series, Set
Part Number: RMG-6901751
Estimated Ship Date: Monday 10/27/2025
Estimated Ship Date: Monday 10/27/2025
Gear, Ring and Pinion, 3.42:1 Ratio, GM, 7.5 in./7.625 in., 10-Bolt, 2 Series, Set
Part Number: RMG-4900051
Estimated Ship Date: Monday 10/27/2025
Estimated Ship Date: Monday 10/27/2025
Gear, Ring and Pinion, 3.08:1 Ratio, GM, 8.5/8.6 in., Set
Part Number: MGR-G885308
Estimated Ship Date: Nov 14, 2025 if ordered today
Estimated Ship Date: Nov 14, 2025 if ordered today
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Estimated Ship Date: Monday 10/27/2025
Gear, Ring and Pinion, 2.73:1 Ratio, GM, 8.5/8.6 in., Set
Part Number: MGR-G885273
Estimated Ship Date: Monday 10/27/2025
Estimated Ship Date: Monday 10/27/2025
Gear, Ring and Pinion, 3.73:1 Ratio, GM, 7.5 in./7.625 in., 10-Bolt, 2 Series, Set
Part Number: RMG-4900071
Estimated Ship Date: Monday 10/27/2025
Estimated Ship Date: Monday 10/27/2025
Gear, Ring and Pinion, 4.10:1 Ratio, GM, 7.5 in./7.625 in., 10-Bolt, 3 Series, Set
Part Number: RMG-6903221
Estimated Ship Date: Monday 10/27/2025
Estimated Ship Date: Monday 10/27/2025
Gear, Ring and Pinion, 3.23:1 Ratio, GM, 7.5 in./7.625 in., 10-Bolt, 3 Series, Set
Part Number: RMG-4900441
Estimated Ship Date: Monday 10/27/2025
Estimated Ship Date: Monday 10/27/2025
Flywheel, Aluminum, 10.5 lbs., Chevy, Each
Part Number: FIZ-198541
Not Yet Reviewed
Estimated Ship Date: Monday 10/27/2025
Estimated Ship Date: Monday 10/27/2025
Gear, Ring and Pinion, 4.10:1 Ratio, GM, 7.5 in./7.625 in., 2 Series, Set
Part Number: MGR-G875410X
Not Yet Reviewed
Estimated Ship Date: Nov 13, 2025 if ordered today
Estimated Ship Date: Nov 13, 2025 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Estimated Ship Date: Monday 10/27/2025
Gear, Ring and Pinion, 3.08:1 Ratio, GM, 7.5 in., Set
Part Number: MGR-GM75-308
Estimated Ship Date: Nov 13, 2025 if ordered today
Estimated Ship Date: Nov 13, 2025 if ordered today
Full Size Spool, GM 8.5 in. 10 Bolt, 33 Spline, C-Clip Elim.Req'd., Steel
Part Number: RMG-81-1033-1
Not Yet Reviewed
Estimated Ship Date: Nov 14, 2025 if ordered today
Estimated Ship Date: Nov 14, 2025 if ordered today
Clutch Kit, 5/6-Speed Conversion, Organic, 1 .125 in.-26-Spline, 10.5 in. Diameter Disc, Buick, Checker, Chevy, GMC, Pontiac, Oldsmobile, Kit
Part Number: HAY-83-1100
Not Yet Reviewed
Estimated Ship Date: Nov 14, 2025 if ordered today
Estimated Ship Date: Nov 14, 2025 if ordered today
Gear, Ring and Pinion, 3.90:1 Ratio, GM 7.5 in., GM 7.625 in., 10-bolt, Set
Part Number: RMG-49-0284-1
Not Yet Reviewed
Estimated Ship Date: Nov 13, 2025 if ordered today
Estimated Ship Date: Nov 13, 2025 if ordered today
Gear, Ring and Pinion, 4.56:1 Ratio, GM, 7.5 in./7.625 in., 3 Series, Set
Part Number: MGR-G875456
Not Yet Reviewed
Estimated Ship Date: Nov 14, 2025 if ordered today
Estimated Ship Date: Nov 14, 2025 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Estimated Ship Date: Monday 10/27/2025
Gear, Ring and Pinion, 5.13:1 Ratio, GM, 8.5/8.6 in., Set
Part Number: MGR-G885513
Estimated Ship Date: Monday 10/27/2025
Estimated Ship Date: Monday 10/27/2025
Gear, Ring and Pinion, 4.56:1 Ratio, GM, 7.5 in., Set
Part Number: MGR-GM75-456
Not Yet Reviewed
Estimated Ship Date: Nov 14, 2025 if ordered today
Estimated Ship Date: Nov 14, 2025 if ordered today
Differential Ring And Pinion Set
Part Number: RNB-697-303
Not Yet Reviewed
Estimated Ship Date: Nov 14, 2025 if ordered today
Estimated Ship Date: Nov 14, 2025 if ordered today
Master Axle Overhaul Bearing Kit; GM 8.5
Part Number: SDH-10024044
Not Yet Reviewed
Estimated Ship Date: Nov 26, 2025 if ordered today
Estimated Ship Date: Nov 26, 2025 if ordered today
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