Availability
At The Wheels, Super Twin 2-piston alum. aluminum calipers, front brake conversion, includes new spindles, '64-72 GM "A-F " body-black powder coat
Part Number: TSB-W123-ABK
Not Yet Reviewed
Estimated Ship Date: Nov 17, 2025 if ordered today
Estimated Ship Date: Nov 17, 2025 if ordered today
At The Wheels Front drum to disc brake conversion, includes new 2" drop spindles, '64-72 GM "A-F " body
Part Number: TSB-W123-ADS
Not Yet Reviewed
Estimated Ship Date: Nov 17, 2025 if ordered today
Estimated Ship Date: Nov 17, 2025 if ordered today
At The Wheels Front drum to disc brake conversion, includes new 2" drop spindles, '64-72 GM "A-F " body- black powder coat
Part Number: TSB-W123-ADSBK
Not Yet Reviewed
Estimated Ship Date: Nov 17, 2025 if ordered today
Estimated Ship Date: Nov 17, 2025 if ordered today
At The Wheels Front drum to disc brake conversion, includes new 2" drop spindles, '64-72 GM "A-F " body- red powder coat
Part Number: TSB-W123-ADSR
Not Yet Reviewed
Estimated Ship Date: Nov 17, 2025 if ordered today
Estimated Ship Date: Nov 17, 2025 if ordered today
At The Wheels SuperTwin 2-piston aluminum calipers, disc brake conversion, '64- 72 "A and F" body - red powder coat
Part Number: TSB-W123-AR
Not Yet Reviewed
Estimated Ship Date: Nov 17, 2025 if ordered today
Estimated Ship Date: Nov 17, 2025 if ordered today
At The Wheels Front disc brake conversion, new 2" drop spindles, '64+GM , includes performance rotor upgrade
Part Number: TSB-W123DS-DS
Not Yet Reviewed
Estimated Ship Date: Nov 17, 2025 if ordered today
Estimated Ship Date: Nov 17, 2025 if ordered today
UMI Shock/Spring Kit, Factory Height
Part Number: UPI-SS103049
Not Yet Reviewed
Estimated Ship Date: Dec 22, 2025 if ordered today
Estimated Ship Date: Dec 22, 2025 if ordered today
Super Twin - Front drum to disc brake conversion, includes new spindles, '64 - '72 GM "A-F" Body, power
Part Number: TSB-A123-1A
Not Yet Reviewed
Estimated Ship Date: Nov 17, 2025 if ordered today
Estimated Ship Date: Nov 17, 2025 if ordered today
Super Twin - Front drum to disc brake conversion, includes new spindles, '64 - '72 GM "A-F" Body, power-black power coat
Part Number: TSB-A123-1ABK
Not Yet Reviewed
Estimated Ship Date: Nov 17, 2025 if ordered today
Estimated Ship Date: Nov 17, 2025 if ordered today
Super Twin - Front drum to disc brake conversion, includes new 2" drop spindles, , '64 - '72 GM "A-F"body
Part Number: TSB-A123-1ADS
Not Yet Reviewed
Estimated Ship Date: Nov 17, 2025 if ordered today
Estimated Ship Date: Nov 17, 2025 if ordered today
Super Twin - Front drum to disc brake conversion, includes new 2" drop spindles, , '64 - '72 GM "A-F"body - black powder coat
Part Number: TSB-A123-1ADSBK
Estimated Ship Date: Nov 17, 2025 if ordered today
Estimated Ship Date: Nov 17, 2025 if ordered today
Super Twin - Front drum to disc brake conversion, includes new 2" drop spindles, , '64 - '72 GM "A-F"body - red powder coat
Part Number: TSB-A123-1ADSR
Not Yet Reviewed
Estimated Ship Date: Nov 17, 2025 if ordered today
Estimated Ship Date: Nov 17, 2025 if ordered today
Super Twin - Front drum to disc brake conversion, includes new spindles, '64 - '72 GM "A-F" body, power-red power coat
Part Number: TSB-A123-1AR
Not Yet Reviewed
Estimated Ship Date: Nov 17, 2025 if ordered today
Estimated Ship Date: Nov 17, 2025 if ordered today
front disc brake conversion, uses factory drum spindle, '64 - '72 GM "A"-Body, '67-'69 "F" Body, and '68-74 GM "X" Body , non pow, incl. rotor upgrade
Part Number: TSB-A123-22-DS
Not Yet Reviewed
Estimated Ship Date: Nov 17, 2025 if ordered today
Estimated Ship Date: Nov 17, 2025 if ordered today
Super Twin - Front drum to disc brake conversion, includes new spindles, '64 - '72 GM "A-F"body, non-power
Part Number: TSB-A123-A
Not Yet Reviewed
Estimated Ship Date: Nov 17, 2025 if ordered today
Estimated Ship Date: Nov 17, 2025 if ordered today
Super Twin - Front drum to disc brake conversion, includes new spindles, '64 - '72 GM "A-F"body, non-power, black powder coat
Part Number: TSB-A123-ABK
Not Yet Reviewed
Estimated Ship Date: Nov 17, 2025 if ordered today
Estimated Ship Date: Nov 17, 2025 if ordered today
Front disc brake conversion, incl. new spindles, '64 - '72 GM "A"-Body, '67-'69 "F" Body, and '68-74 GM "X" Body - non pow, w/ performance rotors
Part Number: TSB-A123-DS
Not Yet Reviewed
Estimated Ship Date: Nov 17, 2025 if ordered today
Estimated Ship Date: Nov 17, 2025 if ordered today
Sport R1 Rear read disc brake conversion with built-in parking brake , 10&12 bolt non-staggered shocks
Part Number: TSB-A125-26
Not Yet Reviewed
Estimated Ship Date: Nov 17, 2025 if ordered today
Estimated Ship Date: Nov 17, 2025 if ordered today
64 - '72 A Body GM, 2' Drop - Black Standard Disc Conversion
Part Number: RSD-AFXSD01DY
Not Yet Reviewed
Estimated Ship Date: Nov 17, 2025 if ordered today
Estimated Ship Date: Nov 17, 2025 if ordered today
64 - '72 A Body GM, 2' Drop, Red Show'N Go, Black - Manual Disc Conversion
Part Number: RSD-AFXSD01DZY
Not Yet Reviewed
Estimated Ship Date: Nov 17, 2025 if ordered today
Estimated Ship Date: Nov 17, 2025 if ordered today
64 - '72 A Body GM Performance Series, 2' Drop, Red Wilwood Calipers, Show'N Go, Black - Manual Disc Conversion
Part Number: RSD-AFXSD32DZY
Not Yet Reviewed
Estimated Ship Date: Nov 17, 2025 if ordered today
Estimated Ship Date: Nov 17, 2025 if ordered today
64 - '72 A Body GM Performance Series, Black Wilwood Calipers Show'N Go, Black - Manual Disc Conversion
Part Number: RSD-AFXSD32SY
Not Yet Reviewed
Estimated Ship Date: Nov 17, 2025 if ordered today
Estimated Ship Date: Nov 17, 2025 if ordered today
64 - '72 A Body GM Performance Series, Red Wilwood Calipers Show'N Go, Black - Manual Disc Conversion
Part Number: RSD-AFXSD32ZY
Not Yet Reviewed
Estimated Ship Date: Nov 17, 2025 if ordered today
Estimated Ship Date: Nov 17, 2025 if ordered today
64 - '72 A Body GM, Black Show'N Go, Black - Standard 4 Wheel Disc Conversion
Part Number: RSD-AFXSD41CSY
Not Yet Reviewed
Estimated Ship Date: Nov 17, 2025 if ordered today
Estimated Ship Date: Nov 17, 2025 if ordered today
67 - '72 A Body GM, 2' Drop, 8' Dual Black Booster - Power 4 Wheel Disc Conversion
Part Number: RSD-AFXDC46DY
Not Yet Reviewed
Estimated Ship Date: Nov 17, 2025 if ordered today
Estimated Ship Date: Nov 17, 2025 if ordered today
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