Multiple U.S. Warehouse LocationsBroken ApexFree shipping on qualified orders over $100*
The Supertech block guard for the Nissan QR25DE is a purpose-built block guard sized for the QR25DE engine. It protects cylinder bores and provides a protective interface during maintenance and sleeve installation, helping to avoid incidental damage while the block is serviced. Its application-specific fit supports rebuild and machine-shop work on QR25DE engines.
Supertech Block Guard for Nissan QR25DE
