Product Description
BTR 4 TO 6 BOLT HEAD CONVERSION FOR DART LS NEXT BLOCKS - BTR426D BTR's 4 to 6 bolt kit for Dart LS blocks is perfect for complimenting a 20-stud K003-H18H or K003-H17H head stud kit on your Dart LS Next aluminum or iron block, making it ready for common "6-bolt" 23 stud cylinder head options. Includes 190,000 PSI strength USA-made ARP & P1 Studs! 8mm torque: 28ft/lbs 3/8" torque: 55ft/lbs
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