CP Pistons Bullet Series Forged Piston Set of 8 - Small Block Ford 4.155 Bore (+0.030)

CP Pistons Bullet Series Forged Piston Set of 8 - Small Block Ford 4.155 Bore (+0.030)

CP Pistons SKU: CPPBF6110-030
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The Bullet Series BF6110-030 is a forged 2618 aluminum piston set for the Small Block Ford, machined to a 4.155 inch bore for a 4.125 inch block taken 0.030 inch over. Each flat top piston carries three valve reliefs cut 0.280 inch deep for 8.7cc of relief volume, giving 10.4:1 compression against a 60cc chamber, and sits on a 1.090 inch compression height for a 3.400 inch stroke and 5.400 inch rod. CP forges the Bullet Series on the same machines and tooling as its CP-Carrillo branded pistons, adding contact reduction grooves, an accumulator groove and dual forced pin oilers, with each 459 gram piston balanced to within one gram. The set ships complete with a 1.5mm, 1.5mm and 3.0mm ring pack, chromoly wrist pins and wire locks.

Specifications

Type Forged piston set (Bullet Series)
Application Small Block Ford
Material 2618 forged aluminum
Bore 4.155 in
Size +0.030 in over standard (4.125 in)
Stroke 3.400 in
Rod Length 5.400 in
Compression Height 1.090 in
Piston Top Flat top, three valve reliefs 0.280 in deep (-8.7cc)
Compression Ratio 10.4:1 (60cc chamber)
Wrist Pin 0.927 in x 2.500 in
Ring Pack 1.5mm x 1.5mm x 3.0mm
Piston Weight 459 g
Included Pistons, rings, chromoly wrist pins, wire locks
Quantity Set of 8
Part Number BF6110-030

Shipping

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  • Standard, expedited, and overnight options at checkout.
  • Oversized items ship by freight and take longer.
  • Special order items follow a lead time we confirm with you individually before the order is committed.
  • Backordered items ship as soon as stock lands. Lead times are manufacturer estimates and can change. Contact us for current ETAs.
  • Need to cancel? Email us right away. Cancellations are not guaranteed once an order is in process. In-stock orders cancel free before they ship; a 6% fee applies only to confirmed backorders and special orders.
  • 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 days from delivery to request and ship back a return on new, uninstalled items in original packaging with all hardware.
  • Standard returns: 8% restocking fee on the item price before tax and shipping. Shipping is not refunded in either direction. All waived if the item is defective or we made the error.
  • Fitment guaranteed: select your vehicle above, or confirm fitment with us in writing before you order. If the part shows as a fit and it is wrong, the return is on us, even after installation. Otherwise, installed or used parts cannot be returned.
  • Final sale: special orders, coilovers, electronics, engine internals, turbochargers, superchargers and turbo kits, unless defective or we sent the wrong item.
  • Product images may be representative. The SKU and specifications in the listing are what ships.
  • Email us for return authorization before shipping anything back.

Full details: Shipping Policy · Returns & Refunds · Warranty
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