Head Bolt Kit, Hex Head Valve Springs 103mm Stroke Crankshaft Full Counterweight

103mm Stroke Crankshaft Full Counterweight Billet 4340 Crankshaft

6 Cyl & V8

8x Titanium Studs

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Fits the following engines:

Head Bolt Kit, Hex Head Valve Springs 103mm Stroke Crankshaft Full Counterweightfits BB Chev 396 454 Cast Iron OEM Heads Part Number : AR135 3601 High Performance Series high Performance Head Bolts Are Available With A Reduced Wrenching Hex Or 12 point And Wide Area Flanged Head That Eliminates The Need For Valve Train Removal To Facilitate Cylinder Head Retorquing. All High Performance Series Bolts Are 180,000 Psi (which Is 15% Stronger Than Grade 8) And Kits Come Complete With Hardened Parallel ground Washers.