Piston Package Includes:

Rings:

• Lightweight, low friction metric ring package included
• 1.2mm top ring, 1.5mm Napier 2nd ring, 3.0mm standard tension oil ring
• Napier 2nd ring for improved oil control
• Standard fit rings, minimal filing required

Pins & Locks:

• High quality 2.250" pin further reduces reciprocating weight
• Carbon steel wire locks included

Specifications:

• Part #: SRP329380
• CID: 378
• Bore: 4.075
• Stroke: 3.622
• Rod Length: 6.098
• Compression Height: 1.340
• Compression Ratio with 64cc chamber volume: 10.9
• Compression Ratiowith 66cc chamber volume: 10.6
• Compression Ratiowith 72cc chamber volume: 10.0
• Dome Volume: -5.0cc
• Gram Weight: 443
• Footnote:
• Oversize: .010 LS3
• Replacement Ring Set (Included) JG31F8-4075-5

SRP Pistons is proud to announce anew addition to our very popular product line,"SRP Professional." SRP Professional pistons include features used in professional racing such as lightweight forged side relief (FSR) forgings, high quality wrist pins, and precision CNC machined ring grooves and skirts. In addition, every package includes JE Pro Seal Premium Piston Rings. The included ring set features a 1.2 premium steel top ring, 1.5mm Napier (hooked face) second ring and 3.0mm standardtension oil ring. Every pistonis designed and manufactured in the USA at the advanced JE/SRP Pistons manufacturing center. Nick Diblasi, JE/SRP Pistons Product Manager feels,"This new line of SRP Pistons will change everything the industry knows about affordable forged pistons. Thefeatures you would normally find in a high quality set of JE Pistons can be found at theaffordable price of SRP Pistons. There is nothing comparable on the market."