FS: Yella Terra 6645 Roller Rockers 1.7 Non-adjustable
05-09-2014, 07:59 AM
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FS: Yella Terra 6645 Roller Rockers 1.7 Non-adjustable Category: Accessories
Price: $0
Location (State): CT
Item Condition: Brand New
Shipping Information: Item Can be Shipped
Engine: LS1/LS6
LS Engine?: Fits LS Engine
I 'm selling a brand new set of YT 6645 roller rockers . They are old stock and not the current design. You can't see it in the picture but the 1.7 is stamped in the center.
Most people on this forum are aware of the issues YT had with some of the Ultralite rockers. If not, you should educate yourself before buying them.
I contacted the US sales rep for YT, Roger Vinci, and after providing purchase date information he has determined that this set was not manufactured during the time period that defective rockers were manufactured. His statement to me was that as long as you keep spring pressure under 420# you shouldn't have a problem. My own thoughts are that you probably should not run a high lift cam or a cam with aggressive lobe design. Many of the newer design cams available, which are easier on the valve train, would probably be a good choice.
Many people are running these rockers with no problems, so I guess it just depends which side of the fence you're on.
Last edited by Greg_E; 06-03-2014 at 05:04 AM. Reason: Lowered Price
