Ultima Engine Case for Twin Cam 4.000" Bore Replacement Case, Black

Part # 206-100

Twin Cam Replacement

4.000" Bore

Black finish

These cases are produced from prime C355-T6 which is a commonly used military alloy and known for its stability over multiple heat cycles. Machining is done on state of the art CNC machining centers using hydraulic fixturing for repeatability with strict QS and ISO quality standards enforced.

This along with other solid quality features like cast-in high carbon steel inserts, counter bored allen case bolts, large 1/4” NPT drain plug, and a high volume ported breather make these a professional engine builders choice for your next high performance engine. 

All case kits come with the main bearings, cam bearing, chromoly cylinder studs installed and the pinion race sized to 1.751”. Also included are the main seal, main seal spacer, top end feed screen and spring, chrome timing hole plug, stainless steel case bolts and the oil pressure gauge.

Alaska, Puerto Rico and Hawaii are not included in the standard shipping rates. You must receive a shipping quote prior to shipping.

If you need something that you don’t see listed just ask.  We only have a small number of items we carry actually listed on EBay.

 We will ship our items to anywhere in the world, just send us a message with your city and postal/zip code for a shipping quote. We use FedEx for all of our packages except large items requiring freight service. We will NOT ship USPS. Items normally leave our facility within 48 hrs(not including weekends/holidays) and will arrive within 7 business days.

 All Missouri residents will be charged a tax of 8.35%.

 If you see multiple items you would like to purchase you can receive free shipping if the order goes over $100. This applies only to orders in the continental U.S.

 We cannot adjust the value on any invoices; the purchase price must be marked with the correct value.

 For items with vin numbers the MSO will arrive in 2-4 weeks from the date of purchase.

 New/unused items in their original packaging can be returned for refund within 30 days of the purchase date. Please contact us prior to the return of any items.

 WARNING:

Serious injury, death, and property damage can result from the improper use, control, alteration, or maintenance of motorcycles. The dealer and dealers’ customers must exercise good judgment in the use, control, alteration, part selection and installation, and maintenance, of motorcycles. Jireh has no control over the judgment of others and assumes no responsibility or liability of any nature for the failure of others to use good judgment.