Delkron 103" Hop Up Kit - Manual

DELKRO TOP E D I STALLATIO I STRUCTIO S
PART UMBERS – D3300/ D3301/ D3302/ D3303/ D3304/ D3305/
D3310/ D3311/ D3312/ D3313/ D3414/ D3415/ D3062/ D3063/ D3064/
D3065
OTICE: If you are not experienced in engine building or do not feel confident in
performing this upgrade; STOP and consult an experience engine builder or shop!
These heads will accommodate up to .640 lift cams, but it is the engine
builder’s responsibility to check all related clearances.
1. Valve to valve clearances at TDC openings.
2. Valve to piston clearances.
WAR I G! Incorrect installation of this kit could result in bodily harm,
death, and or property damage.
CAUTIO !
Use of adjustable pushrods is strongly recommended when installing these
performance kits.
CAUTIO !
Many issues can result from reusing o-rings some of which could be, low oil
pressure and oil leakage. Always use new o-rings and make sure they are in the
appropriate locations.
1. Piston ring end gap
Correct piston ring end gap is necessary for proper engine running.
With cylinders removed from engine and on work bench, install piston into bore of
cylinder, install one compression ring at a time into the top of the cylinder 1.00” below
the top of the cylinder bore, using the piston to assure that the compression ring is
“Square” to the bore … measure end gap.