Which vehicles does the Supertech R81-GNH8100 fit?

Universal fit: no vehicle restriction.

How much is shipping and when does it ship?

Ships Oct 23. Ground shipping in Canada is free on orders of $100 and up, $9.99 under that.

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Part # R81-GNH8100SKU SURR81-GNH8100

Universal fit

81mm Bore Piston Rings - 1x3.10 / 1.2x3.40 / 2.8x3.10mm High Performance Gas Nitrided.

Genuine Supertech product, part number R81-GNH8100.

R78.5-GNH785078.5mm Bore Piston Rings - 1x3.1 / 1.2x3.40 / 2.8x3.10mm High Performance Gas Nitrided	$45.47
R92-GNH920092mm Bore Piston Rings - 1x3.30 / 1.2x3.70 / 2.8x3.10mm High Performance Gas Nitrided	$45.47
R93-SWN30115-093.00mm Bore Piston Rings - 1.2x3.0 / 1.2x4.0 / 2.5x2.85mm Gas Nitrided - Set of 6	$387.24
R93-SWF20057-4Subaru 93mm Bore Piston Rings - 1.2x3.30mm / 1.5x3.7mm / 4.0x 3.65mm - Set of 4	$181.81
R92-SWF20060-0Subaru WRX / EJ20 92mm Bore Piston Rings - 1.2x3.27mm / 1.2x3.7mm / 2.5x2.8mm - Set of 4	$181.81
R101-GNH10100101mm Bore Piston Rings - 1.0x3.7 / 1.2x4.10 / 2.8x3.10mm Gas Nitrided	$45.47