Chevy Small Block
17° / 18° - Dome Top

• Great circle track “shelf piston”.
• Can be used in small nitrous applications. 2618 alloy.
• Standard 1/16” x 1/16” x 3/16” ring package.
• Premium 8620 pins included.
• Gasket volume = 9.1cc.
• Top ring down = minimum .205”@1.000” cd.
• Valve relief depth = .297” intake and .215” exhaust.
• Some items are non-stock parts, made to order as necessary. See the shopping cart for availability.

350 Block : 4.000" Standard Bore - 3.480" Standard Stroke
Part #	Bore	Stroke	Rod	C. D.	Wt	Pin	CC's	Comp Ratio			Purchase Online
								52cc	55cc	58cc
								12.9 12.9 12.9 13.0	12.3 12.3 12.4 12.5	11.8 11.8 11.8 11.9
11300* $742	4.030 4.035 4.040 4.060	3.480	6.000	1.250		.927	3.0				Discounted Prices
11304* $742	4.030 4.035 4.040 4.060	3.480	6.000	1.250		.927	8.0	13.9 13.9 14.0 14.1	13.3 13.3 13.3 13.4	12.7 12.7 12.7 12.8	Discounted Prices

400 Block : 4.125" Standard Bore - 3.750" Standard Stroke
Part #	Bore	Stroke	Rod	C. D.	Wt	Pin	CC's	Comp Ratio			Purchase Online
								52cc	55cc	58cc
								14.4 14.4 14.5 14.5 14.6 14.7	13.8 13.8 13.8 13.9 14.0 14.0	13.2 13.2 13.3 13.3 13.4 13.4
11306* $742	4.125 4.130 4.135 4.145 4.155 4.165	3.750	6.000	1.125	478 480 482 483 485 490	.927	1.0				Discounted Prices
11312* $742	4.125 4.130 4.135 4.145 4.155 4.165	3.800	6.000	1.100		.927	1.0	14.6 14.6 14.6 14.7 14.8 14.9	13.9 14.0 14.0 14.1 14.1 14.2	13.4 13.4 13.4 13.5 13.5 13.6	Discounted Prices
11317* $742	4.125 4.130 4.135 4.145 4.155 4.165	3.785	6.000	1.062		.927	2.5	15.2 15.2 15.3 15.3 15.4 15.5	15.4 14.6 14.6 14.7 14.7 14.8	13.9 13.9 14.0 14.0 14.1 14.2	Discounted Prices
11321* $742	4.125 4.130 4.135 4.145 4.155 4.165	4.000	6.000	1.000	445 447 449 452 454 458	.927	2.5	15.8 15.8 15.9 15.9 16.0 16.1	15.1 15.1 15.1 15.2 15.3 15.3	14.4 14.5 14.5 14.6 14.6 14.7	Discounted Prices