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GO-KART & JR. DRAGSTER VALVES & LIFTERS FOR BRIGGS FLATHEAD 5HP ENGINES

Go-Parts™ Stainless Steel Valves are manufactured from 4N Stainless Steel alloy to control stress. These valves feature chrome stems, swirl polished heads and Stellite tips.

Our Stock Class Valves are oven baked to stabilize the molecular structure. Then the face is ground to run true to the stem for a superior seal. The valves are also ground with a generous radius for the greatest flow rates across the head of the valve.
STOCK CLASS VALVES
Stock Class Blueprinted Intake Valve: #GP6600
Class: Stock
Head Diameter: Stock
Application: Intake

GP6600		 • New #GP6600 stock class valve
Stock Class Blueprinted Exhaust Valve: #GP6610
Class: Stock
Head Diameter: Stock
Application: Exhaust

GP6610		 • New #GP6610 stock class valve
MODIFIED CLASS VALVES
Stainless Steel Valve - 1.440" Head Dia: #GP6520
Class: Modified
Head Diameter: 1.440"
Material: 4N Stainless Steel, Stellite Tip

GP6520		 • New #GP6520 modified class valve 
Stainless Steel Valve - 1.375" Head Dia: #GP6540
Class: Modified
Head Diameter: 1.375"
Material: 4N Stainless Steel, Stellite Tip

GP6540		 • New #GP6540 modified class valve  
Stainless Steel Valve - 1.300" Head Dia: #GP6530
Class: Modified
Head Diameter: 1.300"
Material: 4N Stainless Steel, Stellite Tip

GP6530		 • New #GP6530 modified class valve  
Stainless Steel Valve - 1.250" Head Dia: #GP6500
Class: Modified
Head Diameter: 1.250"
Material: 4N Stainless Steel, Stellite Tip

GP6500		 • New #GP6500 modified class valve 
Stainless Steel Valve - 1.132" Head Dia: #GP6510
Class: Modified
Head Diameter: 1.132"
Material: 4N Stainless Steel, Stellite Tip

GP6510		 • New #GP6510 modified class valve 
Stainless Steel Valve - 1.000" Head Dia: #GP6550
Class: Modified
Head Diameter: 1.000"
Material: 4N Stainless Steel, Stellite Tip

GP6550		 • New #GP6550 modified class valve
LIFTERS
Extended Lifter Kit - 1.000" Head Dia: #GP8200-2
 Head Diameter: 1.000"
Length: 1.700"
Material: Tool Grade Steel

GP8200-2		 • Two new #GP8200 lifters
Extended Lifter Kit - 0.950" Head Dia: #GP8220-2
 Head Diameter: 0.950"
Length: 1.700"
Material: Tool Grade Steel

GP8220-2		 • Two new #GP8220 lifters
WKA / IKA Legal Stock Class Billet Lifter Kit: #GP8250-2
 Class: Stock
Head Diameter: Stock

GP8250-2		 • Two new #GP8250 stock class lifters, will pass WKA/IKA tech every time