TB48 - Valvetrain

BC0250

BC0250 - Nissan TB48 Single Spring/Titanium Retainer Kit

Designed for high rpm, BC valve springs by PAC Racing are wound from only the highest grade, supe...

Designed for high rpm, BC valve springs by PAC Racing are wound from only the highest grade, super clean, chrome silicone alloy and feature proprietary processing procedures for consistent pressures. Type BC1250 Single Free Length 1.796" Seat 1.470" @ 75 lbs Open 1.000" @ 203 lbs Coil Bind 0.935" Retainer BC2250 Spring Seat OEM Net Cam Lift 0.450" / 11.43mm

$ 448.93 $ 516.27

BC3253

BC3253 - Nissan TB48 Exhaust Valves (35mm / +1.5mm) - set/12

BC valves are one piece design with a friction welded Stellite tip for the best possible performa...

BC valves are one piece design with a friction welded Stellite tip for the best possible performance. Every valve is made from premium grade, heat resistant stainless steel material to insure reliability with high boost and/or high rpm applications. The undercut stem above the head area not only reduces overall weight for extended rpm potential, but also significantly improves air/fuel flow in and out of the combustion chamber. Every valve is fully machined and features a swirl polished finis...

$ 285.78 $ 328,647.00