Forged 4.160" Bore Flat Top Piston Set, -5cc, 3.750" Stroke, 6.625" Rod SRP15398

1.69" Comp Height. Suit Pontiac

SRP153983

P153983

JE Pistons SRP line is proud to offer huge performance for the price. Forged from strong, 4032 aluminium alloy material, SRP pistons blend strength with affordability, offering an excellent performance bargain for performance rebuild and street/strip applications. (some applications in 2618) Features: 4032 low expansion high silicon aluminium alloy heat treated to SRP specifications Forced Pin Oiler for increased wrist pin lubrication Pin fitting and double spiro locks included 980-2750-150 wall wrist pin (135g) included, except where noted (Footnote E part numbers include 990-2750-15-51S pins) CNC Machined ring grooves accept 1/16, 1/16, 3/16 rings (Sold Separately) Specifications: Engine: BIG BLOCK PONTIAC Bore Diameter: 4.160 Compression Height: 1.690 Compression Ratio with 72cc chamber volume: 10.9 Compression Ratio with 80cc chamber volume: 10.3 Compression Ratio with 84cc chamber volume: 9.4 Piston Volume: -5 Cylinder Head: PONTIAC 400 Piston Pin Outside Diameter: 0.980 Piston Pin Length: 2.750 Piston Pin Material: 5115 Ringset Included: No Top Compression Ring Thickness: 1/16" Second Compression Ring Thickness: 1/16" Oil Ring Thickness: 3/16" Piston Material: 4032 Forging Type: FSR Piston Avg Weight: 526 Pin Wall Thickness: 0.150 Piston Type: Flat Ring Set: S100S8-4155-5