yes, you need head bolts.
LIM to head gasket is just called the LIM gasket
SC to LIM gasket is just called a SC gasket
M90
L67 idler pulleys,
L67 idler stand off,
L67 throttle body,
L67 injectors,
custom PCM,
GTP balancer,
L67 MAP sensor,
L67 heads,
L67 fuel rail,
2 head gaskets,
head studs (or head bolts)
MAP adaptor harness,
bypass valve wiring,
vacuum lines,
brake booster line,
supercharger gasket,
throttle body gasket,
lower intake gasket,
lower intake Orings,
supercharger belt,
GTP valve covers,
GTP valve cover gaskets,
coil pack bracket for 99+ cars,
lower intake from an L67,
M90 bolts,
and new rocker bolts.
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Corey Smith