LS Cylinder Head Freeze Plug Retainer Hold Down Billet Plate Turbo LS1 LQ4 LS3

LS Freeze Plug Retainer Plates

Keep your cylinder head freeze plugs from blowing out when running turbochargers with high amounts of boost, potentially causing high internal cooling system pressures

• Made in Wichita Kansas from aerospace grade, USA produced, billet aluminum
• Compatible with all GM gen III and IV cylinder heads
• Includes 4 freeze plugs, and mounting bolts (enough for both cylinder heads - front and rear)
  
• Install the retainer plates over the top of the existing freeze plugs in your heads. These can be mounted on the front and rear of each cylinder head

*note - check to make sure you have adequate clearance for mounting these plates before purchasing

Compatible with the following engine RPO codes: LS1 LM7 LR4 LQ4 LS6 L59 LQ9 LM4 L33 LS2 LH6 LS7 LSA LS9 LS4 L92 L76 LY2 LY5 LY6 LC9 LFA LH8 LMG LS3 L98 L9H L20 L94 LZ1 L99 L96 LC8 L77