
CP Pistons and Brian Crower I Beam Rods for Honda B18A/B B20 Engines. We like to use the CP/Brian Crower I Beam combo in platforms that want to make reliable high horsepower for a prolonged lifespan. The Brian Crower I-Beam Rod is a high power solution that weighs less than its closest competitor (Manley Turbo Tuff I Beam). This forged rod's I shape structure allows it to hold up to 300hp per rod (1200hp in a 4cyl) while only tipping the scales at 590grams per rod (considerably lighter than other 1200hp rods in its class).
CP Pistons is one of the most trusted names in the industry, and for good reason. Their extensive shelf catalog provides the user with many of the options that you'd normally be resigned to going to a custom piston for. Their standard offering already includes Dual Pin Oilers - providing double the amount of oil to the wrist pin, radiused valve relifs, and the pin fitting final hone on the wrist pin bore. They even include an Accumulator Groove as a standard option. This provides a small pocket for the combustion gasses to collect after the first ring, reducing ring flutter and providing a better seal allowing more downward force on the piston A.K.A. - make more power.
All pistons come balanced within one gram, include pin lock grooves and wrist pins at no additional charge.
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Whether you damaged your stock internals, you are building an all out race engine, or you are just looking to upgrade your stock bottom end. CP is one of the most trusted and affordable options on the market period.COMES WITH RINGS, WRIST PINS, AND LOCKS!CP Piston Part Numbers
B-Series Pistons| Part # | Application | Bore Size | Compression Ratio |
| SC7005 | B18A1/B1 | 81.00mm (Standard Bore) | 9.0:1 |
| SC7006 | B18A1/B1 | 81.50mm (+.020 Overbore) | 9.0:1 |
| SC7105 | B18A1/B1 | 81.00mm (Standard Bore) | 10.5:1 |
| SC7106 | B18A1/B1 | 81.50mm (+.020" Overbore) | 10.5:1 |
| SC7020 | B-Series | 84.00mm (Standard Bore) | 9.0:1 |
| SC7021 | B-Series | 84.50mm (+.020" Overbore) | 9.0:1 |
| SC7022 | B-Series | 85.00mm (+.040" Overbore) | 9.0:1 |
| SC7017 | B-Series | 84.00mm (Standard Bore) | 9.7:1 |
| SC7018 | B-Series | 84.50mm (+.020" Overbore) | 9.7:1 |
| SC7019 | B-Series | 85.00mm (+.040" Overbore) | 9.7:1 |
| SC7117 | B-Series | 84.00mm (Standard Bore) | 11.5:1 |
| SC7118 | B-Series | 84.50mm (+.020" Overbore) | 11.5:1 |
| SC7119 | B-Series | 85.00mm (+.040" Overbore) | 11.5:1 |
| SC7120 | B-Series | 84.00mm (Standard Bore) | 12.5:1 |
| SC7121 | B-Series | 84.50mm (+.020" Overbore) | 12.5:1 |
| SC7122 | B-Series | 85.00mm (+.040" Overbore) | 12.5:1
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