BC Brian Crower 102mm 2.5L Stroker Kit for 7 Bolt 4G63 Evo/DSM (BC0118)
$4,029.00
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$4,029.00
Product Overview
Each component is precision-machined to exact tolerances, with advanced features like gun-drilled oil holes, tear-dropped oil scoops, and micro-polished journals to ensure optimal lubrication and durability. The kit includes full ring packs and wrist pins, with options for upgraded materials and performance tuning.
Key Features
- 4340 billet steel crankshaft with aerospace-grade precision machining and .0001" tolerances
- ProH625+ rods 6.141" c-to-c, +6mm longer than standard for enhanced strength and durability
- Custom CP or JE aluminum forged pistons with selectable bore and compression ratios
- Ductile iron plasma top rings, tapered second ring, and low-tension oil rings for improved ring seal and oil control
- Fully system-balanced components ready for installation with 50% deposit required
- Wrist pins made from 5100 Series carbon steel with optional 9310 alloy upgrade
Specifications
| Stroke | 102mm |
|---|---|
| Crank Material | 4340 billet steel |
| Rod Length | 6.141" c-to-c |
| Rod Type | ProH625+ |
| Piston Material | 2618 T6 forged aluminum |
| Wrist Pin Material | 5100 Series carbon steel |
| Ring Pack | Ductile iron plasma top, tapered second, low-tension oil |
| Crank Machining | 5-axis CNC machined to .0001" tolerance |
| Crank Features | Gun-drilled oil holes, tear-dropped oil scoop, cross-drilled main feeding, micro-polished journals |
| Piston Features | Tighter clearances, spiral locks or rail supports, optional 9310 alloy pins, lateral gas ports, coatings |
| Balancing | Fully system balanced |
| Deposit Required | 50% |
Applications
- 1992-2006 Mitsubishi Evolution I-IX (Evo 1-9)
- 1992.5-1999 Mitsubishi Eclipse GST/GSX
- 1992.5-1998 Eagle Talon TSi
- 1992.-than-1994 Plymouth Laser RS
- 4G63/4G64 7 Bolt Engine
What's Included
- 4340 billet crank (7 bolt) - 102mm stroke
- ProH625+ rods (6.141" c-to-c)
- Shelf or custom pistons (choice of bore/compression)
- Wrist pins, full ring pack, and buttons