The BOLT4 is for those that want the high power and light weight advantage of advanced motorcycle engine technology for their automotive applications. The BOLT4's robust features including a large journal billet crankshaft and 7075-T6 aluminum case make it well suited for turbo applications.
- Inline 4 cylinder engine
- 81mm (to 84) bore x 57mm (to 70mm) stroke
- 1175cc to 1400cc in turbo form
- 1500cc for NA (84mm bore)
- Twin cam, 16 valve head
- Billet steel crankshaft
- 4340 billet H beam rods
- 7075 T6 billet crankcase
- Dry sump oil system with filter, air/oil separator and water pump
- 10,800 max. rpm
- 300 to 400+ horsepower (in turbo form)
- 160 pounds
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The engine right side incorporates the alternator, starter, oil pump, air oil separator, oil filter and water pump. This leaves the left side clear for the hot parts- headers, turbo and exhaust.
Integrated in the oil pump are; one pressure section with relief and filter mount, 3 scavenging sections, an air-oil separator and a water pump. The pump is manifold mounted on the sump to minimize connections. The oil pump is made by Dailey Engineering.