SRP Professional Pistons
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. Every piston is designed and manufactured in the USA at the advanced JE/SRP Pistons manufacturing center. Sets of 8.
Advanced, lightweight FSR forging that eliminates stress concentrations
Up to 20% lighter than traditional equivalent
Accumulator grooves for improved ring seal
High-silicon 4032 aluminum alloy for reduced piston-to-wall clearance
Designed for normally aspirated or moderate forced induction/nitrous
Lightweight, low friction metric ring package included, no filing required
1.2mm top ring, 1.5mm Napier 2nd ring, 3.0mm standard tension oil ring
Napier 2nd ring for improved oil control
Part Type: Pistons
Model: Professional Pistons Series
Application: Chevrolet Small Block V8
Piston Style: Inverted Dome
Cylinder Bore: 4.030"
Compression Distance: 1.000"
Crankshaft Stroke/Rod Length: 4.000" with 6.000" Connecting Rod (408ci)
Dome Volume: -16cc
Compression Ratio 4.000" Stroke w/58cc Heads: 11.1
Compression Ratio 4.000" Stroke w/64cc Heads: 10.4
Compression Ratio 4.000" Stroke w/70cc Heads: 9.8
Piston Material: 4032 Aluminum Alloy
Accumulator Groves: Yes
Forced Pin Oilers: Yes
Gas Ports: No
Skirt Coating: High Performance Skirt Coating
Lock Removal Indents: No
Average Piston Weight: 338
Wrist Pin Style: Push Pin or Floating
Wrist Pins Included: Yes
Wrist Pin Size: .927" x 2.250"
Average Wrist Pin Weight: 106
Pin Lock Included: Carbon Steel Wire Locks
Ring Grove Sizes: 1/16", 1/16", 3/16"
Piston Rings Included: Yes
Manufacturer: SRP Sportsman Racing Products
Manufacturer's Part Number: SRP271060
Weight: 15.0 lbs.
Warranty: Race Application, No warranty expressed or implied.
Quantity: Sold as Sets of 8
Note: Made to Order
Note: Oil Rail Supports Included.