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ARP (Automotive Racing Products) makes the strongest fasteners in motorsport — head studs, main studs, rod bolts, and flexplate bolts used by every Formula 1, NHRA, NASCAR, and championship motorsport program. Aerospace-grade alloys, exact-fit machining.
Ensure your cooling system remains leak-free under high-performance conditions with the Auto Racing Products (ARP) Thermostat Housing Bolt Kit. Designed specifically for GM LS-Series engines, including the popular LS1 and LS2 platforms, this kit replaces your factory hardware with premium-grade components that offer superior clamping force and reliability.
Whether you are building a street machine or a dedicated track car, these bolts provide the peace of mind that your thermostat housing will stay securely fastened regardless of vibration or thermal expansion. The 12-point head design allows for better access in tight engine bays compared to standard hex heads, making installation straightforward and professional. Manufactured to exacting standards, these fasteners resist stretching and fatigue, ensuring your engine stays cool when it matters most. Trust your build to the industry leader in engine fasteners. Find this and other essential hardware upgrades at GGCRACING.
Other popular Auto Racing Products products customers consider together:
ARP (Automotive Racing Products) makes the strongest fasteners in motorsport — head studs, main studs, rod bolts, and flexplate bolts used by every Formula 1, NHRA, NASCAR, and championship motorsport program. Aerospace-grade alloys, exact-fit machining.
Ensure your cooling system remains leak-free under high-performance conditions with the Auto Racing Products (ARP) Thermostat Housing Bolt Kit. Designed specifically for GM LS-Series engines, including the popular LS1 and LS2 platforms, this kit replaces your factory hardware with premium-grade components that offer superior clamping force and reliability.
Whether you are building a street machine or a dedicated track car, these bolts provide the peace of mind that your thermostat housing will stay securely fastened regardless of vibration or thermal expansion. The 12-point head design allows for better access in tight engine bays compared to standard hex heads, making installation straightforward and professional. Manufactured to exacting standards, these fasteners resist stretching and fatigue, ensuring your engine stays cool when it matters most. Trust your build to the industry leader in engine fasteners. Find this and other essential hardware upgrades at GGCRACING.
Other popular Auto Racing Products products customers consider together:
