Holden Grey motor production had almost concluded come
the arrival of Perfectune Engineering in 1962. Founder Dave “Dyno” Bennett had
worked with the 132.5ci & 138ci refining what would become
Perfectune’s only Grey Motor product – one of the acclaimed “Yella Terra”
cylinder heads. Perfectune would go on to produce a range of aftermarket
performance products for the Red motor which superseded the flagship Grey motor
in 1963.
Wind forward 54 years and Perfectune Engineering/Yella
Terra is pleased to keep the iconic Aussie legend alive, announcing the release
of Holden Grey motor shaft roller rockers. 100% Australian manufactured and
designed, the ultimate go-fast-bit for any standard or hopped up Holden
Grey motor –
Complete with fully adjustable aircraft grade extruded
aluminium arms, internally lubricating 2-piece shaft and all the necessary
mounting hardware to punch life into any Grey 6. No Machining required mounts
directly to factory cylinder head and accepts factory cup-end pushrods. Nominal
1.65 ratio.
Equipped with smooth low friction rollers allowing for
high revving capability perfect for any street, strip, circuit or hill climbing
application. Precision CNC anodized cradle providing unsurpassed rocker
stability eliminating premature valvetrain wear and radically reducing side
loading.
Yella Terra
(03) 9555 5522
53 Industrial Dr. Braeside 3195
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