Rzcrew Racing - Billet Block Guard - Honda B20 Lsvtec GP7 Trimming the head is necessary

Trimming the head is necessary to accommodate the valve lobes

Spring Rates (Kg): 7 or (8)

Part Number: 438 64S CN

Part Number: SC7525

Rzcrew Racing - Billet Block Guard - Honda B20 Lsvtec GP7 Trimming the head is necessarySpecifications: Manufacturer: Rzcrew Racing Reference Number: RZ BG B20 Block Guard, also known as a sleeve saver, is a special cnc machined aluminum brace that fits into open deck engines (such as Honda B series) and prevents the cylinder sleeve from flexing during high RPM, nitrous or high boost applications. RZCREW Racing, through dedicated research and development along with race experience, has designed a superior block guard sleeve saver that