David Creaser

My lifters in my 98 ws6 are going bad and I need to order some new ones, what are the best lifters to get? my ws6 was dynoed at 467 to the wheels and is a street car so it is only run at high rpm once in a while, but I would like this to be the only time I replace them for a while. I am new to ls engines as this is my first one so I really need some guidance and maybe links to some good lifters I could order? Thanks in advance!

mods are:

ENGINE-
-LS6 Longblock
-Brian Tooley Racing Stage 4
Cam
-Advanced induction 226cc 243 heads
-TSP Hardened 7.400 pushrods
-COMP CAMS Trunion Upgraded Rockers
-ARP Head Bolts
-LS2 Timing Chain
-Fast 92 and Nick Williams throttle body
-Greentop 42ib Injectors
-TSP 100mm MAF
-Fast toys 104mm lid
-Fast Toys Ram Air Mod
-SLP UD Pulley
-Aeromotive 340LPH Fuel Pump
-Ractronix Hotwire Kit
-Kooks Long Tube Headers
-Kooks Catted Y-Pipe
-Borla Cat-Back Exhaust
-Corvette Engine Covers
TRANSMISSION-
-Monster Stage 2 Clutch/Flywheel,
-Tick Adjustable Master Cylinder
-SUSPENSION-
-Koni Double Adjustable Shocks
-1LE Springs
-SLP Tubular Welded In Subframe Connectors
-Red Tubular Lower Control Arms
-Red Relocator Brackets
-Red Panhard Relocaton & Adj Panhard Bar
-Red UMI 35mm & 22mm Swaybars
-Hotchkis Strut Brace
-Polly Engine And Trans Mounts
-UMI adjustable torque arm
Brakes-
-C5 Z06 Front And Rear Brakes,
Earls Stainless Braided Brake Lines
Rear-
-Moser 12 bolt 3.90 gears, 31 spline axles trutrac posi