Est. delivery Tue, 20 May - Thu, 29 MayEstimated delivery Tue, 20 May - Thu, 29 May
Returns:
30-day returns. Buyer pays for return postage. If you use an eBay postage label, it will be deducted from your refund amount.
Condition:
Brand NewBrand New
89cc/91cc heads are found on S&S Twin Cam-style motors and use 2.000" intake valves and 1.605" exhaust valves. 79cc heads are also found on S&S Twin Cam-style motors and use 1.940" intake valves and 1.575" exhaust valves.