Product

Part Number

Product Description

#2552

1 piece standard steel swirl polished maximum flow or standard replacement valves.  Available for all Pontiac V8's, Except 301.  Specify cylinder head casting numbers.

#2563

16 High Performance Mechanical Lifters - with restricted oil bleed hole and with 100,000 raised pushrod seat for all V8's, except 301.

#2564

16 Lightweight Severe Duty Roller Lifters - these are Pontiac lifters, not modified Chevy lifters.

#2593

Aluminum Roller Rocker Arms - machined for retainer clearance.  Ratio is to exact specification, with 7/16" stud.  Available for any ratio.

#2601

Special Screw-in-Studs - designed for use in cylinder heads originally equipped with pressed-in studs.  Features 7/16" shank for high-performance adjusting nuts and 1/2" threaded end for a tight fit in the cylinder head.  Heads must be tapped.

#2620

Heavy-duty timing chain & sprocket kit - available in standard or roller design.  

#2640

Stud Girdles - are designed to eliminate stud flex in racing engines.  Rocker arm stud flex can reduce valve lift as much as .025" and duration 10 degrees.  Stud girdles are a must for today's ultra-high-lift camshafts and high spring pressures.  389-455, please specify year.