BIG VALVE HEADS
& IKF LEGAL HEADS
WITH DECK SURFACE MACHINED, AFTER MARKET VALVE SPRINGS, $194.95
STAGE II HEADS WITH ADDITIONAL LEGAL TRICKS FOR MAX FLOW AND
STANDARD BRIGGS 305 / 350 BIG VALVE
ANIMAL BIG VALVE HEADS $399.95
WORLD FORMULA BIG VALVE HEADS $449.95
BRIGGS MODEL 15 BIG VALVE HEADS $399.95
These are the best big valve head on the market !!!
All big valve heads have multi angle valve jobs with CNC port work, dual valves
springs with seat pressure adjusted for the type of use.
Heads are leak tested and flowed for max Horsepower.
The head surface is machined for your desired compression ratio.
WORLD FORMULA OR LO 206 HEAT
305 / 342 WELDED RELOCATED INTAKE
1.5" INTAKE 1.250" EXHAUST STAINLESS STEEL BLACK NITRIDED
VALVES WITH TITANIUM RETAINERS
MAKES AS MUCH HP AS A BILLET HEAD
Adds up to 5 horsepower depending on what carb you choose.
USUALLY ABOUT A MONTH WAIT TIME
ROLLER ROCKERS COMING SOON.
If you want the most HP from a Briggs
Animal then you want to use a World
Formula big valve head. They can easily
make one more HP than a big valve
RT 1 Head Identification