CP-Carrillo Bullet Series Forged Piston Set - Chevy LS 4.070 in Bore - Set of 8

CP-Carrillo Bullet Series Forged Piston Set - Chevy LS 4.070 in Bore - Set of 8

CP Pistons SKU: CPPBLS1137-005
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Details

BrandCP Pistons
SKUCPPBLS1137-005
Manufacturer Part NumberBLS1137-005

Product Information

The CP-Carrillo Bullet Series is a set of eight forged 2618 aluminum pistons built for GM LS engines with 15° cylinder heads. Each piston pairs a 4.070 in bore and 1.115 in compression height with a 4.000 in stroke and 6.125 in rod, sizing the combination near 416 cubic inches. The -8.6cc dish top produces a 10.5:1 compression ratio with 70cc combustion chambers. The kit includes a 1.5mm steel gas nitride top ring, a 1.5mm Napier second ring, and a 3.0mm oil ring, plus 0.927 in wrist pins with a 0.180 in wall. A skirt design that reduces piston noise supports nitrous, supercharger, and turbo use.

Specifications

Type Forged Piston Set, Bullet Series
Material 2618 forged aluminum alloy
Bore 4.070 in
Stroke 4.000 in
Rod Length 6.125 in
Compression Height 1.115 in
Compression Ratio 10.5:1 (with 70cc chambers)
Dish Volume -8.6cc dish
Ring Pack 1.5mm steel gas nitride top, 1.5mm Napier second, 3.0mm oil
Wrist Pin 0.927 in diameter, 0.180 in wall (included)
Application GM LS 15° heads (4.8, 5.3, 5.7, 6.0, 6.2L)
Quantity Set of 8 (pistons and rings)
Part Number BLS1137-005

Shipping

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  • Oversized items ship by freight and take longer.
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  • Backordered items ship as soon as stock lands. Lead times are manufacturer estimates and can change. Contact us for current ETAs.
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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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