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8L All (2 required)
The HEL Performance Kawasaki KR1 S
- All 1966 PONTIAC GRAND PRIX 389 V8 4 BBL
4-Bolt Mainfits GM LS Series & GMPP LSX Block
Aeroflow Big Block Chrysler 413-426 Head Stud Kit AF37-2024 Valve Stems 8L All (2 required)Aeroflow Performance head studs greatly improve your cylinder head to block sealingcompatibilities. This is important in engines with highpower adders such as turbochargers, superchargers or nitrous. They can even be agreat addition to a mildly modified build as insurance against failure. All head studs provide a more accurate and consistent torque loading over traditional head bolts. These head studs are manufactured from aircraftquality 8740 high