SKU: 68378583043

Massive Speed Crankshafts and Drive Gears

Sale price$134.46 Regular price$149.40
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Ships within 48 hours · Estimated delivery Jul 19 - Jul 24

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Description

Massive Speed Crankshafts and Drive GearsOne fatal flaw of the Duratec MZR line since day one has been the complete lack of keys dowels locating devices on all of the cam timing components. While we're sure eliminating them made it far easier for robots to assemble the motors in production (and scared away shade tree mechanics from working on them), the possibility of slippage ensured disastrous results. The potential for slippage, while remote on a stone stock untouched grocery getter, was

One fatal flaw of the Duratec / MZR line since day one has been the complete lack of keys/dowels/locating devices on all of the cam timing components. While we're sure eliminating them made it far easier for robots to assemble the motors in production (and scared away shade tree mechanics from working on them), the possibility of slippage ensured disastrous results. The potential for slippage, while remote on a stone-stock-untouched-grocery-getter, was much more a threat on the modified, high RPM motors us folks like to build. 

Massive has stepped in and now offers a complete line up of keyed crank shafts and companion timing chain drive gears!!!

 

Cranks: 

We started with  NEW (high quality professionally remanufactured in the case of the 2.3 Ranger and 2.5 Dura - new from ford no longer available ) OEM crankshafts and added a proper key way to allow the timing chain drive gear to be positively locked to the crank in the event the crank pulley bolt should come loose. This will prevent COSTLY damage to your engine! Use with our keyed chain drive pulley.

2.0 Duratec - Factory FORGED Unit

2.3 Ecoboost - Factory FORGED Unit

2.3 Mazda DISI - Factory FORGED Unit

 

Gears: 

 

We started with A brand new Ford ? Mazda chain drive gear and EDM cut a proper keyway to allow the timing chain drive gear to be positively locked to the crank in the event the crank pulley bolt should come loose. This will prevent COSTLY damage to your engine! Use with our keyed crankshaft. Includes key.

We've always felt the cam gears don't need a key way or dowel - Allowing them to orbit whilst installing the timing chain is a must. Additionally, there is far less chance for slippage, reuse the now unnecessary diamond washers from the crank pulley on them if you please, run some loc-tite as well. 


Keyed gears and cranks are sold seperately

Modified IN HOUSE at Massive Speed's headquarters right here in the USA!!!

 

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
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SKU: 68378583043

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Daniel Mcknight
Lexington, US
★★★★★ 3
Doesn’t wash off easily
Style: SPF 50 Lotion, Size: 6 Ounce (Pack of 1)
It protects from the sun BUT it does not wash off. You’ll need to use some exfoliant wash or sponge to get it off. And you run the risk of staying certain materials if it isn’t washed off all the way and you go to bed with damp skin or hair. My pillow case became rust stained but I just couldn’t get the sunscreen off. It absorbed decently for a mineral sunscreen though. No crazy odor. Careful on the face for those with sensitive skin. It made my face very hot and itchy but no rash.
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Reviewed in the United States on April 29, 2026
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Savvy shopper
Massapequa, US
★★★★★ 5
Great mineral sunscreen
Style: SPF 50 Lotion, Size: 6 Ounce (Pack of 1)
Great mineral sunscreen, rubs in well, protects well during high UV times, doesn't sweat off, not strong smell. Used this for fist time on a 95% high humidifier day while walking around Pittsburgh between 11am-3pm. No burning at all. There is a film left but that's for almost all sunscreen, so not any difference with this one. Easy to rub in and may leave a slight white coat but not as noticeable as some other mineral products. I will buy this again and recommend.
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Reviewed in the United States on July 19, 2025
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Ann Roth
Port Orchard, US
★★★★★ 5
This stuff works
Style: SPF 50 Lotion, Size: 6 Ounce (Pack of 1)
I really like this product. It feels good on the skin and really works.
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Reviewed in the United States on May 26, 2026
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RJT
Waukegan, US
★★★★★ 5
One of the bests
I’m a full time trucker and I wear sunscreen everyday. In my opinion, this is the best sunscreen out there. It feels like makeup primer on skin, it dries clear. The white cast has always been a turn off for me looking like a geisha to work or the white cast residue on the collar was icky. Although this feels oily and shiny a bit glass skin but not sticky just powdery feel. I recommend it 👍🏻
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Reviewed in the United States on April 29, 2025
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Dobee
Lowell, US
★★★★★ 5
GREAT COVERAGE!
Even, protective coverage. Great SPF to keep you safe from damaging UV! I apply evenly over face, let set, then I can put my makeup on.
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Reviewed in the United States on October 2, 2025

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