Forged from billet 2618 (non-silicon) billet aluminum. Pistons forged from billet raw material offer ultimate tensile strength and fatigue resistance, and retain a true 100% wrought (extruded) structure throughout. Don't confuse "powerforged" or "budget" forged pistons with premium billet forged pistons!
• Hi-tensile forged, not cast, billet material
• Proper forging cross-sections
• CNC machined working surfaces
• Micro-flat Sure Seal ring grooves
• Optimized crowns for efficient combustion
• Diamond-turned ellipsoidal skirt profile
• Ultra close no-rock skirt clearance
• Consistent measurements part-to-part
• 4 Forged pistons
• Wrist pins: high carbon, case-hardened
• Locks: carbon steel wire or spiral
• Total Seal Gapless Rings
High quality matching chrome / nitride steel or moly faced ductile iron ring sets are available separately
Custom compression ratios available!
These forged pistons are for the following cars:
1990-93 Isuzu Impulse RS
1990-93 Isuzu Stylus RS
1991-1993 Lotus Elan M100 (Turbo)
Current turnaround time is ~6 weeks.