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Chevrolet V8 LS1/LS2 Ultralite Pro 10.0mm Rockers, Ratio 1.8 YT 6722-M10

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Price:
$924.00
SKU:
YT 6722-M10
Weight:
5.00 KGS
Availability:
Usually ship in 24 hrs
Shipping:
$27.50 (Fixed shipping cost)
Quantity:



Product Description

Ultralite Pro

By concentrating more mass at the fulcrum, the Ultralite Pro can withstand a much heavier spring than the Ultralite without compromising any oscillating weight. 10mm bolt down versions are available, in addition to the factory 8mm easyfit (EF). Intended for those who need lightweight rocker arms but insist on heavier springs!

What’s an Ultralite?

Yella Terra’s exclusive Ultralite rocker arm, shaft and pedestal system offers 50% less nose weight than the factory rocker system, the result being greater RPM potential without compromising strength or durability. The perfect low-maintenance substitute for factory rocker arms which utilise problematic cage-less bearings, solid non-roller tips and heavy steel bodies.

Yella Terra Ultralite is ideal for high revving street applications when coupled with factory/lightweight aftermarket springs. Manufactured and assembled in Australia using the highest quality materials and componentry consistent with those found in our Platinum race series.

Our wide range of true ratios allows you to achieve high lift without relying solely on your camshaft… a trend many engine builders and racers alike are adopting to relieve the inertia on lifters and pushrods generated by aggressive and often violent ramp rates required to make big lift.

Don't fall victim to bearing/trunnion upgrades which only address half the shortcomings of OEM rockers.

Why Choose Ultralite Pro?

  • Built to withstand 480lbs* max open spring pressure
  • Oversize full-complement caged bearings designed for oscillating (rocking) loads, paired with oversize precision ground trunnions to reduce friction.
  • Intricately balanced lightweight arms ensuring vital valvetrain stability - focusing attention on the harmony of the entire engine. 50% less oscillating nose weight eliminates valve float in upper RPM range allowing for higher rev ceiling.
  • Extruded from aircraft grade aluminium, perfect for dissipating excess top-end heat.
  • Proven bolt-on shaft mount design that mounts both inlet/exhaust to common shaft, effectively increasing footprint and clamp load twofold without any further cylinder head modification.
  • Various ratios available, catering for every camshaft grind. High ratios allow for additional lift on stock and aftermarket camshafts.
  • Chrome moly steel hardened and ground roller tips of generous diameter (positively retained by internal circlip) preventing abrasion of valve tips and guides commonly seen with non-roller tip rockers. Allows for smoother, quieter operation. Maintains lash and reduces necessary and tedious engine maintenance.

Tech Spec 

PART NO YT 6722-M10
BRAND ULTRALITE PRO
APPLICATION FACTORY REPLACEMENT/STREET
MAX OPEN SPRING PRESSURE
480lbs
MAKE CHEVROLET 
ENGINE LS1/LS2
MOUNTING STYLE SHAFT MOUNT
ROCKER ARM RATIO 1.8
STUD SIZE 10mm
ADJUSTABLE/HYDRAULIC HYDRAULIC
ROCKER ARM STYLE FULL ROLLER
ROCKER MATERIAL ALUMINIUM
ROCKER ARM BODY STYLE STANDARD
ROCKER ARM NUT STYLE CAPSCREW
MAX SPRING DIAMETER 1.437"
INLET OFFSET NO
QTY SET OF 16
NOTE DRILL & TAP 10mm

Requires YT 5132 10mm valve cover spacer.


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