CP Pistons Bullet Series Forged Piston Set of 8 - Chevy LS3 4.080 Bore (+0.015)

CP Pistons Bullet Series Forged Piston Set of 8 - Chevy LS3 4.080 Bore (+0.015)

CP Pistons SKU: CPPBLS1127-015
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The Bullet Series BLS1127-015 is a forged 2618 aluminum piston set for the Chevrolet LS3, machined to a 4.080 inch bore for a block taken 0.015 inch over the 4.065 inch standard. The flat top crown carries two valve reliefs cut 0.200 inch deep for 3.5cc of relief volume and returns 10.1:1 compression against a 70cc chamber, with a 1.295 inch compression height matched to the factory 3.622 inch stroke and a 6.125 inch rod. Every 475 gram piston is balanced to within one gram and uses contact reduction grooves, an accumulator groove and dual forced pin oilers. The set includes a 1.5mm, 1.5mm and 3.0mm ring pack, 0.927 inch chromoly wrist pins and wire locks.

Specifications

Type Forged piston set (Bullet Series)
Application Chevrolet LS3
Material 2618 forged aluminum
Bore 4.080 in
Size +0.015 in over standard (4.065 in)
Stroke 3.622 in
Rod Length 6.125 in
Compression Height 1.295 in
Piston Top Flat top, two valve reliefs 0.200 in deep (-3.5cc)
Compression Ratio 10.1:1 (70cc chamber)
Wrist Pin 0.927 in x 2.250 in
Ring Pack 1.5mm x 1.5mm x 3.0mm
Piston Weight 475 g
Included Pistons, rings, chromoly wrist pins, wire locks
Quantity Set of 8
Part Number BLS1127-015

Shipping

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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.
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  • 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.
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Full details: Shipping Policy · Returns & Refunds · Warranty
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