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Ships within 48 hours · Estimated delivery Aug 12 - Aug 17
Supertech High Performance Valve Spring Kit
This gasket replaces BMW part # 11121726619
Prevent Valve Float for Maximum RPM Control
Top Speed Limiter Removal: Unlock your vehicle’s true top speed potential
B58 Billet Main Caps by 5150 AutoSport Block Rings Supertech High Performance Valve Spring5150 AutoSport B58 Billet Main Caps As power levels climb beyond 1,200+ horsepower, we've seen factory main caps begin to walk. Under extreme cylinder pressure and crankshaft loads, even the slightest cap movement can affect main bearing alignment, oil clearance, and ultimately bearing life. Our CNC machined billet steel main caps are heat treated for maximum strength and feature a dowel pinned design to positively locate each cap and virtually
US$ 70.00
US$ 60.00
US$ 95.00
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