CP Bullet Race Series Forged Pistons SBF N351 4.030 Bore (+0.030) - Flat Top, Set of 8

These CP-Carrillo Bullet Race Series pistons are forged from 2618 aluminum in the USA for naturally aspirated circle track race engines built around the Ford Motorsport N351 cylinder head. The flat top design uses lateral gas ports with no valve reliefs and delivers an 11.6:1 compression ratio. The set covers a 4.030in bore with a 3.500in stroke on 5.700in or 6.200in rods, or a 3.850in stroke on 6.000in rods, at a 1.250in compression height. A 1.2mm, 1.2mm, and 3.0mm ring pack is included along with .927 x 2.250in wrist pins. Sold as a complete set of eight pistons with rings.

Specifications

Shipping

• In-stock orders placed before 3 PM EST ship the same day — everything else ships within 24 hours.
• Standard, expedited, and overnight options at checkout.
• Oversized items ship by freight and take longer.
• Backordered items ship as soon as stock lands — contact us for lead times.
• International orders: prices do not include VAT, duties, or import fees. Your country charges these at import and they are the buyer’s responsibility.

Returns

• 30-day returns on new, uninstalled items in original packaging with all hardware.
• Standard returns: 8% restocking fee, buyer pays return shipping. Both waived if the item is defective or we made the error.
• Installed or used parts can’t be returned — confirm fitment before you install.
• Special orders and custom items are final sale.
• Email us for return authorization before shipping anything back.

Full details: Shipping Policy · Refund Policy