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Old 03-17-2016, 04:26 PM
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Thumper460 Thumper460 is offline
Y Rated - 186 mph
Join Date: Dec 2006
Location: Orange Park Fl. 32065
Posts: 116
Default Bee-hive Performance Valve spring kit

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Thumper Performance

New Performance Spring Kit

New BEE-HIVE Springs with a Anodized Titanium Light weight Retainers !

Stock valve springs can carry a camshaft up to .410" and then start having all kinds of issues, spring bounce on the seats,
Valve Floating at high rpm levels, Problems with the rollers following the camshaft profiles. You just bought a performance camshaft ,
and now the performance levels is diminished do to the incorrect spring pressures!!


This Spring kit can carry up to .500 " valve lift !! Have pressures to keep the rollers ON the Lobe at higher rpm !!
The Anodized super strong light weight Retainers will accept the Keepers for the multi-groove OR single grove Valves !!
NO big spacers to install... No modifying the Seats... RPM in the 8500+ range, and we all know about the magic of the "Bee-Hive" conical spring performance levels !!

Fits: r50 / r52 / r53 cylinder Heads !! Single Grove or Multi groove Valves.

Cost: $350.00 FREE US Shipping

Thumper Performance /

THUMPER HEAD Nitrous Fed Methanol Injected Screaming Supercharger all BRG 06 MCS!! The fun begins at 4K in 6th
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