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Case
 They
are first hot tank, then thoroughly washed by hand. The
cylinder base area is decked and surfaced on a Bridgeport
Mill to set initial deck height alignment between all four cylinders
and and to eliminate oil leads at the base of the cylinders. Case
inserts or "Case Savers" are installed, Align Boring
and all remaining machine work is done and then the case
is thoroughly cleaned again and painted.
Rebuilt
Heads
 JCS
buys thousands of head cores every year. A good portion of those
are scrapped for the aluminum "scrap value" because
they are too worn to be rebuilt or require too much work. We select
only the best cores for rebuilding to insure a high quality, dependable
finished product and to minimize the amount of labor put into
rebuilding a head. These select cores are then fully machined...
valve guides are replaced with manganese-bronze guides designed
for extreme wear resistance and improved lubrication. All
valve seats are replaced with heat treated chromoly steel
seats that promote a quick, high heat transfer rate
from the valve to the cylinder head casting.
New
Piston & Cylinder Set
VW
Connecting Rods
Late style
1600 rod cores are shot-peened, sandblasted and checked
for straightness. New wrist pin bushings are installed then rods
are bored and honed center to center.
VW
Crankshafts
 JCS
uses only 1600cc style "crossdrilled" crankshafts for
it's superior oiling properties. Cores are shot peened,
sand blasted, then carefully inspected for cracks, straightness
and damage to the dowel pin holes and threaded ends. Cranks
are reground to exact specifications, micro-polished and
a thread chaser run on both ends.
VW
Flywheels
 Only
German flywheel cores are first inspected for worn or damaged
teeth, dowel pin holes and clutch disc mating surface wear
to make sure it has not been worn or cut too deep. After
shot peening and sandblasting the seal area is polished,
the dowel pin hole area is faced to ensure proper mating to the
crank and then precision ground and polished to exact specifications.
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