ProMaxx CNC Ported BBC 340cc Cylinder Heads
The Shocker CNC 340cc BBC is a professional designed cylinder head using the latest CNC porting tools. These heads out flow the competition at a price that cannot be touched. Some comparable heads are double the cost of one Shocker 340 CNC. Flowing over 415 cfm, this head is on top of the heap. Now go out and shock the competition. BBC 340cc CNC Ported (Bare Heads). 2.300"/1.880" valve sizes. 121cc-127cc chambers(Your Choice). Intake 172 267 318 358 383 398 409 413. Exhaust 139 190 236 265 285 300 304 307. LISTED PRICE LISTED IS BARE SET. For Assembled Heads for Flat Tappet cams up to. Stainless Steel Erson Competition…
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