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1975-1978 Plymouth PB300
Two 3-1/4 in Bolts
Increased capacity from compartment design and positioning
Adapters allow bolting an early GM 3-bolt engine mount to the late model LS style block with a 4-bolt pattern
ARP 9/16-12 and 9/16-18" Thread Stud 6.500" Long Broached Chromoly - Black Oxide 24-VER-N-9 1975-1978 Plymouth PB300ARPs product line contains thousands of part numbers, and has expanded to include virtually every fastener found in an engine and driveline. These range from quality high performance OEM replacement parts to exotic specialty hardware for Formula 1, IndyCar, IMSA, NASCAR and NHRA drag racing and marine applications. Since 1968, ARP is the fastener of champions and the world leader in fastener technology. Product Description: Stud 9 16 12 and 9 16 18 in
