PRO SPRINGS – Barra 4.0L H-Duty Valve Springs 1200HP boost Suit Holden Commodore VT-VE (Most

Suit Holden Commodore VT-VE (Most V6 and all LS V8)

9mm 5/8" RWF-158-16MM 19

Max working pressure is 10 Bar (1 MPa or 145 PSI)

This results in lower BSFC and better idle quality than many injectors with less flow

high flow injectors are just 40mm from the midle of the top o-ring to the middle of the bottom o-ring

PRO SPRINGS – Barra 4.0L H-Duty Valve Springs 1200HP boost Suit Holden Commodore VT-VE (Most** As Used by Australias leading Workshops your guarantee of performance and reliability ** These PRO SPRINGS suit all BA BF and FG Ford DOHC 6 cylinder Barra 4. 0L engines. Suitable for applications up to 550+rwkw. These springs are highly recommended for applications over 300rwkw (400hp), to help eliminate valve float. Valve float causes damage to valve stem seals and collets and retainers. Once installed, a much more powerful and free revving top