Big Bore or Rebuild Your Twin Cam For Cheap

We all love a deal and V-Twin Manufacturing has the deals on twin cam big bore kits! You can take your 88 to a 95, 96 to 103, or 96/103 all the way to a 110 for less than you might expect. With the saving you'll have money left over for a new set of cams. If you already have a set of performance cams these kits are a great way to get to that next step of performance.

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Bikes on the channel:

Motorcycle: 2016 Harley-Davidson Sportster XL1200CP (Sportster 1200 Custom)

Custom Parts Installed:
Screamin' Eagle Heavy Breather air cleaner
Harley-Davidson Reach Seat
Harley-Davidson Chrome and Rubber Collection grips
Drag Specialties Offset Clevis Footpeg Conversion Kit
Aftermarket Detachable Back Rest
Harley-Davidson Air Flow timing cover
Harley-Davidson Air Flow clutch cover
Screamin' Eagle spark plug wires
Screamin' Eagle spark plugs
Flipped Down Stock Mirrors

Motorcycle: 2017 Harley-Davidson Sportster XL1200X (Sportster Forty-Eight)

Custom Parts installed:
Harley-Davidson Factory Security System
Screamin' Eagle Exteme Billed Air Cleaner (Black)
Harley-Davidson Burst Collection Foot Pegs
Harley-Davidson Burst Collection Grips
Harley-Davidson Burst Collection Shifter Peg
Screamin' Eagle spark plug wires

[GixxerFoo]

Would you install one of the kits from V-Twin Manufacturing or go with one from FuelMoto or S&S?

[jacjlandis]

I also would like to share you will never regret getting quality heads ported and polished it will make night and day difference letting your engine breathe

[davidacciari]

I went with Hillside as they are 1.5 hours from me.Bored, honed, 10.2 pistons, MCR’s, rings gapped installed on pistons …$990
I did labor. Used Andrew’s 57H and aim clutch.

[jamesball]

I personally think that unless you're going all out racing, that these budget kits are definitely the way to go. It's like you said, save some money for cams or quite possibly some head work!

[espo]

Great info as always! Thanks bro! The research and time you take to bring us these videos is greatly appreciated!

[leonardstanford]

Wiseco tracker series pistons which has a forged piston crown & armor guide skirts are 235.95 for either 9.5or 10&1/2 compression same money or tracker series for 106 cu in or 97 cu in for249.95 & 255.95 then bore & hone your cyclinders ! Most shops charge about 150 bucks for bore & hone gasket wise comerica MLS head gaskets pushrod prongs & rocker box gaskets is all you need !

[hamidvaghari]

I listen to you and I did 88 to 97 s&s 585 s&s cams oil pump cam plate pushrods lifter & many parts and tools

[gdubbsmotolife]

Those Fuel Moto Woods 98" kits for the 88" TC are making huge power. Even with stock heads on the 2006 bikes. Of course, it's $2k but damn.

[CapmLew]

My main priority is durability under good/decent performance demands… I’m a pretty mild soul, when it comes to riding style… so what I look for in kits and rebuilds, is getting it to LAAAST. Great info on kits. Thank you!

[taps_]

Twin power is a stand up company. I have used there products before and have tested one of their shocker batteries 👍👍 good advice

[harleyhawk]

having my O5 88tc that I had a big bore and ported. now taking it having it bored stroked, bigger valve springs, 510's gear drives and oil pump. cant wait to see the difference

[cameronpiper]

I have a 96” with 60, 000 miles. It runs strong and I’m happy with it at stage one for the type of riding I do. Would it be smart to add a lot of power and compression to a motor with my miles? Also, would a 103 kit extend the life of my motor?

[samuraidarryl]

Great vid!!! Love this stuff. The numbers are fabulous and so cheap. 110 kit. Very cheap.
I didn’t know that the option of 96 - 110 existed. I have a 103 and you have me thinking.

[dereknapier]

I got a budget kit with the Wiseco forged 10.5:1 Pistons. The jugs were 55 mile dealer takeoffs that were locally bored at a machine shop here in Amarillo Texas. I got it all for $700. Wet a little expensive on the feuling cam plate assembly and 543 Reaper conversion cams. Also got the Dynojet Power Vision to help tune.

[scrumthebum]

I did it even cheaper.
All I did on my 103 was take the heads off and sent to zippers for most mild cnc job they do. Called the 1.8 cnc. It gets a 1.850 intake valve &1.610 EX VALVE. 699$.
Then bolt it back together with.030 cometic head gasket. The head deck & gasket brought it up to 10.2:1 compression. 38$ for gaskets. Already had the Andrews 57h cams & power vision.
So for 737.00 $ doing it myself using the stock flat tops got 108 hp & 116 TQ. Not bad ?

[yoso]

Love how quiet the twin cam is when still with chain. Think I’ve got leaky valve seal on front. But still runs so smooth.

[FreeSwimmer]

Your videos are very easy to follow, and good info.. I had looked into big bore upgrades, but Im not an FWO rider, and want longevity with my TC88. Ive only got 11k on it and the S&S 509g complete camchest upgrade is being finished up in 3 days. That should make it bulletproof ! If I get a wild hair, my mechanic wants to stick an S&S 131ci in it, and call it a day. lol The TC88 w/ 509g dyno sheets I saw, were absolutely righteous, for my riding style. Im an average sized guy, and think this bike is my keeper. Ive had a honda and 4 Harleys before this bike on the street, and 6 dirt bikes, before that. Its time to just enjoy riding.

[hughellis]

Do I need to counterbore my 96' crankcase to fit the 110' big bore cylinders, or do they just drop on as is?

[paulkubas]

I just did a 88" to 95." Flat top Harley pistons. I believe 9.3 comp. I put in S&S 509 cams. .030 head gaskets, stock heads, and a tune. I'm at 76hp. 92ft# torque. How much compression can I run with the 509 cams? I like the performance gains I have now, but I feel now I should have went with higher compression pistons. Possibly boring to 98" I am definitely running cooler oil temps now and average 45mpg. Thanks for your input. I appreciate your knowledge.

[seansimone-ek]

Doing the whole top and only in that shoe a small amount compared to other stuff you can do to get that same amount and more. I don’t think you need to go past the stage two if it’s done right. I’m at 79 horse and 115 foot pound of torque.with big air Thundermax programmer.full cobra exhaust