These Block Guards stabilize upper cylinders in your open deck Honda/Acura engine. Unsupported cylinders wobble due to the high RPM loads of today's performance engines. This instability also reduces ring seal and that costs power. Max water passages included.

Acura Integra RA-BG1800LS $144.99 Specs: Block Guard : CYL BRACE:1.8 (UNIVERSAL)
Honda Civic RA-BG1800X $124.99 Specs: Block Guard : B16A/B17/B18-HI FLOW
Honda CRX RA-BG1600X $124.99 Specs: Block Guard : CYL BRACE:1.5/1.6(D16) HI-FLO
Honda Del Sol RA-BG1800X $124.99 Specs: Block Guard : B16A/B17/B18-HI FLOW
Honda Prelude RA-BG2200X $124.99 Specs: Block Guard : CYL BRACE:2.2 HIGH-FLO

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