Premium Race Series Piston Ring Set - J300 STD Tension JJ300F8-4145-5 Product:4.145" Bore +.005", 1/16", 1/16", 3.0mm The base can be rotated

The base can be rotated independently from the top so it can be tailored to your application

If bolting up an LSA intake you require M6x1 x 70mm UHL bolts

346 Rod Length: 6

AF9031-018-25

All chain drive gears have a 1050 steel outer sprocket

Premium Race Series Piston Ring Set - J300 STD Tension JJ300F8-4145-5 Product:4.145" Bore +.005", 1/16", 1/16", 3.0mm The base can be rotatedPremium Race Series Piston Ring Set J300 STD Tension4. 145" Bore +. 005", 1 16", 1 16", 3. 0mm JJ300F8 4145 5 300F8 4145 5 JE Premium Race Series rings feature the highest quality ductile iron top ring with the latest technology plasma moly inlay. Taper faced reverse torsional second rings or gapless seconds are combined with either standard or low tension oil control rings. Specifications Bore: 4. 145" +. 005" Top Ring Height: 1 16" Top Ring