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 6 3/4 " installed length from firewall to MC mounting flange - no firewall modifications required

1968 - 1970 Chevy Full Size Hydraulic Brake Assist Unit - Model # 3711

*GM deep vs. shallow master cylinder design:

"early / deep"               "late / shallow"

NOTE: Part # 3011L is the brake unit itself without power steering line set. Part # 3011 is the brake unit with the 4' power steering line set
This model is identical in all ways to the 3511 model except for being equipped with the late / shallow style short MC pushrod 

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

1965 - 1967 Chevy Full Size Hydraulic Brake Assist Unit - Model # 3011

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 6 3/4 " installed length from firewall to MC mounting flange - no firewall modifications required

NOTE: Part # 3511L is the brake unit itself without power steering line set. Part # 3511 is the brake unit with the 4' power steering line set.
This model is identical in all ways to the 3011 model except for being equipped with the early / deep style long MC pushrod 

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 6 3/4 " installed length from firewall to MC mounting flange - no firewall modifications required

NOTE: Part # 3711L is the brake unit itself without power steering line set. Part # 3711 is the brake unit with the 4' power steering line set.
This model is identical in all ways to the 3611 model except for being equipped with the early / deep style long MC pushrod 

1965 - 1970 Chevy Full Size Vehicles

SHOW PREPARED MODEL 
SHOWN WITH PS LINE SET

1965 - 1967 Chevy Full Size Hydraulic Brake Assist Unit - Model # 3511

1968 - 1970 Chevy Full Size Hydraulic Brake Assist Unit - Model # 3611

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 6 3/4 " installed length from firewall to MC mounting flange - no firewall modifications required

NOTE: Part # 3611L is the brake unit itself without power steering line set. Part # 3611 is the brake unit with the 4' power steering line set.
This model is identical in all ways to the 3711 model except for being equipped with the late / shallow style short MC pushrod 

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