BBC Flat Top Piston Set 4.375 Bore -6cc

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MSRP: $734.99
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Info

SKU:SRP213457 ,UPC:

SKU: SRP213457

UPC: 193564251138

MPN: 213457

Info

SKU:
SRP213457
UPC:
193564251138
MPN:
213457

Description

The BBC Flat Top Piston Set 4.375 Bore -6cc by Sportsman Racing Products is engineered for serious big-block Chevy builders seeking precision-matched components for high-performance applications. These flat-top pistons are designed for naturally aspirated and boosted engines where compression ratio and piston-to-head clearance require careful specification. Built for racers and enthusiasts who demand reliability under extreme combustion pressures, this piston set represents the level of quality control necessary when assembling a race-ready BBC platform.

The -6cc dish geometry delivers a lower compression ratio compared to flat-top variants, making these pistons ideal for forced-induction setups or pump gas applications where detonation resistance is critical. The 4.375-inch bore size fits standard BBC blocks without requiring line-honing, and the flat-top design minimizes piston-to-valve contact, a crucial consideration in high-lift camshaft combinations. Sportsman Racing Products manufactures these pistons with controlled wall thickness and precision pin bosses to handle sustained RPM loads while maintaining tight tolerances essential for ring seal and blowby control.

This piston set works best in BBC engines built for street/strip duty or dedicated racing where you're matching compression to fuel octane rating and boost level. The -6cc dish is particularly valuable for turbocharged or supercharged applications where 9:1 or lower compression prevents knock while maintaining airflow efficiency. Installation requires proper ring end-gap setup, piston-pin clearance verification, and accurate rod length measurement—standard practice for any serious build. Buyers should confirm block deck height and head combustion chamber volume before purchase to ensure final compression ratio meets their intended application.

SpecificationDetail
Brand
SPORTSMAN RACING PRODUCTS
MPN / Part Number
213457
UPC
193564251138
SKU
SRP213457
Weight
19.5 lbs
Dimensions
11.75 x 5 x 28.5 in
Engine Platform
Big Block Chevrolet (BBC)
Bore Size
4.375 inches
Piston Style
Flat Top
Compression Ratio Impact
-6cc Dish (Lower Compression)
Recommended Application
Forced Induction / Pump Gas
Manufacturer
Sportsman Racing Products

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