MANLEY PERFORMANCE SUPERIOR SBC HEAD BOLT & WASHER KIT

Part # 42171 / 42102

Heavy duty design, longer than stock, for use with head bolt washers. 

• 180,000 PSI material
• Longer than stock for use with washers
• 1/2" hex head

Includes enough for 1 motor
2 - 42171 - SBC Head Bolts
1 - 42102 - Hardened Washers