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Probably one of the best kept secrets... the best engine builders use Break-In roller rocker arms.
These Sportsman 396-454 Chevy roller rocker arms are made from 4340 heat treated steel and featurea longer slot to eliminate stud bind issues.Rockers have a1.72 ratioand are supplied withpivot balls and polylocks for 7/16" studs.
If your class or budget does not allow aluminum or stainless roller rocker arms, check out these steel roller tip rockers. Made from 4340 heat treated chromoly steel, they feature a longer slot to eliminate stud bind issues. Plus, the roller tip minimizes scrubbing (the result of the valve stem pushing hard against the valve guide), reducing friction and freeing up an additional 15 to 30 horsepower over stock rockers.
Features oversized Torrington needle bearings andsure-lock rocker nuts.Fits 262-400 S/B Chevy with 7/16" studs.Set of 16.
These stainless steel roller rockers are built of 15-5PH material which gives you superior strength over other stainless rockers. They have more needle bearing which increases strength while reducing friction. Built to clear 1.55" valve springs and includes poly locks.
These full-roller Stainless Steel rockers incorporate an exceptional lightweight design that provides plenty of clearance for large diameter springs. Manufactured from premium quality 15-5 PH stainless steel, a superior alloy high in Nickel and Chromium, this rigid material provides high yield strength to help resist deflection and has extraordinary fatigue resistance.
High Energy(TM) Die Cast Aluminum Roller Rocker Arms for Small Block Chevy V8 265-400 applications are perfect for street and moderate race use. Choose 3/8" or 7/16" stud diameter and 1.5 or 1.6 ratio. Includes poly locks.
The BluMax aluminum roller rockers are built of the finest 6061 aluminum extrusions which gives you superior strength over other rockers. Rockers are specially machined to allow for larger 1.55" springs and retainers with full-cage friction reducing needle bearings for added durability. The nose rollers and shafts are Cr40 steel, heat-treated and hardened to minimize the wear that naturally occurs between the roller tip and the valve stem.
Stock type long slot steel rockers with roller tip installed. Includes stock type balls and nuts.Fits S/B Chevy with 3/8" rocker arm studs.Set of 16.
Includes polylocks and grooved balls. 1.7 ratio with 7/16" stud.
High Energy Die Cast Aluminum Roller Rocker Arms for small block Chevy V8 265-400 applications are perfect for street and moderate race use. Includes poly locks.
BluMax aluminum roller rockers are built of the finest 6061 aluminum extrusions which gives you superior strength over other rockers. Rockers are specially machined to allow for larger 1.55" springs and retainers with full-cage friction reducing needle bearings for added durability. The nose rollers and shafts are Cr40 steel, heat-treated and hardened to minimize the wear that naturally occurs between the roller tip and the valve stem.
If your budget does not allow for aluminum or stainless roller rocker arms, check out these steel roller tip rockers. Made from 4340 heat treated chromoly steel, they feature a longer slot to eliminate stud bind issues. Plus, the roller tip minimizes scrubbing (the result of the valve stem pushing hard against the valve guide), reducing friction and freeing up an additional 15 to 30 horsepower over stock rockers.
Stock style steel rocker arms forsmall blockChevy.Balls and nuts not included.Set of 16.
Stock style steel rocker arms. Fit S/B Chevy.Balls and nuts not included.Set of 16.
If your class or budget does not allow aluminum or stainless roller rocker arms, check out these rockers. Made from 4340 heat treated steel and feature a longer slot to eliminate stud bind issues. Includes nuts and balls.
Long-slotsteel rocker arms forsmall blockChevy with high-lift aftermarket camshaft.Balls and nuts not included.Set of 16.
Any top quality engine you look at will have shaft type rocker arms on it, whether it's NASCAR, NHRA or Bonneville racing. The reason is they are the strongest, most reliable rocker arm money can buy.
World Products has developed this package for the performance enthusiast who is faced with rebuilding a 454 cubic inch Chevrolet big block and would like to gain some serious displacement at virtually no extra cost! Just ad an intake, exhaust and ignition system and you're on your way to a 500+ horsepower engine combination with stump-pulling torque! It features a MERLIN III cast iron block, a digitally balanced rotating assembly consisting of a 4340 forged steel crank and H beam rods, forged aluminum pistons and high performance rings. The MERLIN ...
Our lifters feature precise oil metering to ensure proper lubrication of the rocker arms and related components, while eliminating excess oil to the rest of the valve train. All 1955-86 Chevy V8.Set of 16.
BluMax Aluminum Rockers are designed with strength and durability in mind. The rocker bodies feature a deeper relief to accommodate larger valve springs, and are designed with longer slots and specially designed pushrod cups, to take advantage of high lift camshafts and roller lifters without extensive modification.
These stainless steel roller rockers are built of 15-5PH material which gives you superior strength over other stainless rockers. They have more needle bearings which increases strength while reducing friction. Built to clear 1.55" valve springs.
Probably one of the best kept secrets...the best engine builders use break-in roller rocker arms. With the extreme valve spring pressures racers use today, the initial run time can kill a camshaft in the first minute of running.