1967 - 1969 GM "F" Body Vehicles
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CNC Machined T6 billet aluminum direct fit firewall mounting plate design
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This model fits the
earlier
GM "long rod / deep" master cylinder design
o
All engines with PS pump on driver's side - compatible with rack and pinion conversions
o
For use with disc / drum or disc / disc brakes (not for use with 4 wheel drum brakes)
o
Features an adjustable brake pedal rod to allow for a range of brake pedal height adjustment
o
Models with PS line set include overlength hoses with re-usable / re-buildable hose ends
o 7 1/4
" installed length from firewall to MC mounting flange - no firewall modifications required
SHOW PREPARED MODEL
SHOWN WITH PS LINE SET
NOTE: Part # 3523L is the brake unit itself without power steering line set. Part # 3523 is the brake unit with the 4' power steering line set.
This model is identical in all ways to the 3023 model except it installs at a steep 17 degree upward angle as opposed to the 6 degree angle
This model is identical in all ways to the 3513 model except for being equipped with the early / deep style long MC pushrod
1967 - 1969 General Motors 'F' Body Hydraulic Brake Assist Unit - Model # 3523
NOTE: This model also fits the 1968-1974 GM 'X' Body Vehicles - Nova, Appollo, Ventura...
1967 - 1969 General Motors 'F' Body Hydraulic Brake Assist Unit - Model # 3023
NOTE: This model also fits the 1968-1974 GM 'X' Body Vehicles - Nova, Appollo, Ventura...
*GM deep vs. shallow master cylinder design:
"early / deep" "late / shallow"
NOTE: Part # 3021L is the brake unit itself without power steering line set. Part # 3021 is the brake unit with the 4' power steering line set
This model is identical in all ways to the 3023 model except for being equipped with the late / shallow style short MC pushrod
"early / long MC pushrod" "late / short MC pushrod"
1967 - 1969 General Motors 'F' Body Hydraulic Brake Assist Unit - Model # 3021
NOTE: This model also fits the 1968-1974 GM 'X' Body Vehicles - Nova, Appollo, Ventura...
o
CNC Machined T6 billet aluminum direct fit firewall mounting plate design
o
This model fits the later GM "short rod / shallow" master cylinder design
o
All engines with PS pump on driver's side - compatible with rack and pinion conversions
o
For use with disc / drum or disc / disc brakes (not for use with 4 wheel drum brakes)
o
Features an adjustable brake pedal rod to allow for a range of brake pedal height adjustment
o
Models with PS line set include overlength hoses with re-usable / re-buildable hose ends
o 7 1/4
" installed length from firewall to MC mounting flange - no firewall modifications required
NOTE: Part # 3023L is the brake unit itself without power steering line set. Part # 3023 is the brake unit with the 4' power steering line set.
This model is identical in all ways to the 3021 model except for being equipped with the early / deep style long MC pushrod
IMPORTANT - PLEASE READ: This special order 17 degree upward angled design is only recommended for installations that cannot run the standard production 3021/3023 model with the highly improved original 6 degree design. Running the standard 6 degree design promotes a vastly improved appearance, especially since it matches the 6 degree upward angle of the engine. The brake fluid level inside of the master cylinder is also at a lesser angle in the 6 degree 3021/3023 model, which helps to minimize brake fluid seapage from the master cylinder lid. Being a special order model of limited demand, please allow for an extended lead time to produce this order from the time your order is successfully placed.
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Special 17 Degree Upward Angled Version of the original 6 Degree 3021/3023 design
o
Useful in clearing certain twin turbo exhaust header pipe and roll cage downbar designs
o
Designed to match the steep upward angle of a factory installed vacuum brake booster
o
CNC Machined T6 billet aluminum direct fit firewall mounting plate design
o
This model fits the
later
GM "short rod / shallow" master cylinder design
o
All engines with PS pump on driver's side - compatible with rack and pinion conversions
o
For use with disc / drum or disc / disc brakes (not for use with 4 wheel drum brakes)
o
Features an adjustable brake pedal rod to allow for a range of brake pedal height adjustment
o
Models with PS line set include overlength hoses with re-usable / re-buildable hose ends
o 7 1/4
" installed length from firewall to MC mounting flange - no firewall modifications required
1967 - 1969 General Motors 'F' Body Hydraulic Brake Assist Unit - Model # 3521
NOTE: This model also fits the 1968-1974 GM 'X' Body Vehicles - Nova, Appollo, Ventura...
o
Special 17 Degree Upward Angled Version of the original 6 Degree 3021/3023 design
o
Useful in clearing certain twin turbo exhaust header pipe and roll cage downbar designs
o
Designed to match the steep upward angle of a factory installed vacuum brake booster
o
CNC Machined T6 billet aluminum direct fit firewall mounting plate design
o
This model fits the
earlier
GM "long rod / deep" master cylinder design
o
All engines with PS pump on driver's side - compatible with rack and pinion conversions
o
For use with disc / drum or disc / disc brakes (not for use with 4 wheel drum brakes)
o
Features an adjustable brake pedal rod to allow for a range of brake pedal height adjustment
o
Models with PS line set include overlength hoses with re-usable / re-buildable hose ends
o 7 1/4
" installed length from firewall to MC mounting flange - no firewall modifications required
NOTE: Part # 3521L is the brake unit itself without power steering line set. Part # 3521 is the brake unit with the 4' power steering line set.
This model is identical in all ways to the 3021 model except it installs at a steep 17 degree upward angle as opposed to the 6 degree angle
This model is identical in all ways to the 3523 model except for being equipped with the late / shallow style short MC pushrod
IMPORTANT - PLEASE READ: This special order 17 degree upward angled design is only recommended for installations that cannot run the standard production 3021/3023 model with the highly improved original 6 degree design. Running the standard 6 degree design promotes a vastly improved appearance, especially since it matches the 6 degree upward angle of the engine. The brake fluid level inside of the master cylinder is also at a lesser angle in the 6 degree 3021/3023 model, which helps to minimize brake fluid seapage from the master cylinder lid. Being a special order model of limited demand, please allow for an extended lead time to produce this order from the time your order is successfully placed.
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