o CNC Machined T6 billet aluminum direct fit firewall mounting plate design
o This model fits the early   GM "long rod / deep" master cylinder design   
   (scroll down to see images at the bottom of this page for visual comparison)
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 4' / 6' PS line set include overlength hoses with re-usable / re-buildable hose ends
o Eliminates the factory stamped steel firewall reinforcement plate   
o 6.875 " installed length from firewall to MC mounting flange - no firewall modifications required

1970 - 1974 Mopar E Body / 1971 - 1974 B Body Hydraulic Brake Assist Unit - Model # 3670

*GM deep vs. shallow master cylinder design:

"early / deep"                 "late / shallow"

NOTE: Part # 3070L is the brake unit itself without power steering line set. Part # 3070 is the brake unit with the 4' power steering line set
This model is identical in all ways to the 3570 / 3670 models except for being equipped with the late model Mopar MC interface

"early / long MC pushrod"                                      "late / short MC pushrod"  

1970 - 1974 Mopar E Body / 1971 - 1974 B Body Hydraulic Brake Assist Unit - Model # 3070

o CNC Machined T6 billet aluminum direct fit firewall mounting plate design
o This model fits the late model Mopar MC with plastic reservoir - see images to the right:
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 4' / 6' PS line set include overlength hoses with re-usable / re-buildable hose ends
o Eliminates the factory stamped steel firewall reinforcement plate   
o 6.875 " installed length from firewall to MC mounting flange - no firewall modifications required

NOTE: Part # 3670L is the brake unit itself without power steering line set. Part # 3670 is the brake unit with the 4' power steering line set.
This model is identical in all ways to the 3070 / 3570 models except for being equipped with the GM early / long pushrod MC interface 

1970 - 1974 Chrysler E Body Hydraulic Brake Assist Unit - Model # 3674

1970-1974 Chrysler E-Body / 1971-1974 B-Body

NOTE: This model for use with vehicles equipped with factory manual brakes
that would prefer to retain the factory manual brake firewall reinforcement plate

o TRUE MANUAL TO POWER BRAKE DIRECT BOLT IN UPGRADE!
o BOLTS DIRECTLY IN PLACE OF THE FACTORY FOUR BOLT MANUAL MC
o CNC Machined T6 billet aluminum direct fit firewall mounting plate design
o   This model fits the early   GM "long rod / deep" master cylinder design   
   (scroll down to see images at the bottom of this page for visual comparison)
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 4' / 6' PS line set include overlength hoses with re-usable / re-buildable hose ends
o  Retains the factory stamped steel manual brake spec firewall reinforcement plate   
o 6 3/4 " installed length from firewall to MC mounting flange - no firewall modifications required

NOTE: Part # 3674L is the brake unit itself without power steering line set. Part # 3674 is the brake unit with the 4' power steering line set.
This model is identical in all ways to the 3574 / 3074 models except for being equipped with the GM early / long pushrod MC interface 

SHOW PREPARED MODEL  
SHOWN WITH PS LINE SET

MC8141 with black reservoir
9/16-20 Front Port - 1/2-20 Rear Port
Matches factory brake line fittings
Front Port = Rear Brake Circuit
Rear Port = Front Brake Circuit
Mopar Spec 3.200" Bolt Centers 

MC8144 with white reservoir

Both MC8141 and MC8144 have been proven to work
well with all popular disc / drum OR disc / disc brakes

Model # 3670 installed with
Wilwood # 260-8556P GM
based master cylinder design
with 3.400" MC bolt centers

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   
   (scroll down to see images at the bottom of this page for visual comparison)
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 4' / 6' PS line set include overlength hoses with re-usable / re-buildable hose ends
o Eliminates the factory stamped steel firewall reinforcement plate   
o 6.875 " installed length from firewall to MC mounting flange - no firewall modifications required

1970 - 1974 Mopar E Body / 1971 - 1974 B Body Hydraulic Brake Assist Unit - Model # 3570

NOTE: Part # 3570L is the brake unit itself without power steering line set. Part # 3570 is the brake unit with the 4' power steering line set.
This model is identical in all ways to the 3070 / 3670 models except for being equipped with the GM late / short pushrod MC interface 

Model # 3570 installed with SSBC
GM based master cylinder design
with 3.400" MC bolt centers
and # 5100 chrome slipcover

SHOW PREPARED MODEL 
SHOWN WITH PS LINE SET

MC8141 with black reservoir
9/16-20 Front Port - 1/2-20 Rear Port
Matches factory brake line fittings
Front Port = Rear Brake Circuit
Rear Port = Front Brake Circuit
Mopar Spec 3.200" Bolt Centers 

MC8144 with white reservoir

Both MC8141 and MC8144 have been proven to work
well with all popular disc / drum OR disc / disc brakes

1970 - 1974 Chrysler E Body Hydraulic Brake Assist Unit - Model # 3074

NOTE: This model for use with vehicles equipped with factory manual brakes
that would prefer to retain the factory manual brake firewall reinforcement plate

o TRUE MANUAL TO POWER BRAKE DIRECT BOLT IN UPGRADE!
o BOLTS DIRECTLY IN PLACE OF THE FACTORY FOUR BOLT MANUAL MC 
o CNC Machined T6 billet aluminum direct fit firewall mounting plate design
o This model fits the late model Mopar MC with plastic reservoir - see images to the right:
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 4' / 6' PS line set include overlength hoses with re-usable / re-buildable hose ends
o  Retains the factory stamped steel manual brake spec firewall reinforcement plate   
o 6 3/4 " installed length from firewall to MC mounting flange - no firewall modifications required

NOTE: Part # 3074L is the brake unit itself without power steering line set. Part # 3074 is the brake unit with the 4' power steering line set.
This model is identical in all ways to the 3574 / 3674 models except for being equipped with the late model Mopar MC interface 

Model 3074 with
MC39178 installed

'77-'82 C3 Corvette MC8111

1970 - 1974 Chrysler E Body Hydraulic Brake Assist Unit - Model # 3574

NOTE: This model for use with vehicles equipped with factory manual brakes
that would prefer to retain the factory manual brake firewall reinforcement plate

o TRUE MANUAL TO POWER BRAKE DIRECT BOLT IN UPGRADE!
o BOLTS DIRECTLY IN PLACE OF THE FACTORY FOUR BOLT MANUAL MC
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 - see images to the right:
   (scroll down to see images at the bottom of this page for visual comparison)
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 4' / 6' PS line set include overlength hoses with re-usable / re-buildable hose ends
o  Retains the factory stamped steel manual brake spec firewall reinforcement plate   
o 6 3/4 " installed length from firewall to MC mounting flange - no firewall modifications required

NOTE: Part # 3574L is the brake unit itself without power steering line set. Part # 3574 is the brake unit with the 4' power steering line set.
This model is identical in all ways to the 3074 / 3674 models except for being equipped with the GM late / short pushrod MC interface 

Model 3574 with '77-'82
Corvette MC39052 installed

Model # 3674 with the GM
early / long MC pushrod is
a direct fit for the Wilwood
# 260-8556P master cylinder 

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