Big Block Mopar
Street / Strip Flat Top

• Designed to fi t most OEM open and closed chamber heads
• Can be used with small nitrous kits
• Ratios fi gured for .009” - .025” deck@9.980” (383 & 400)
• Ratios fi gured for .012” deck@10.720” (440)
• Standard 1/16” x 1/16” x 3/16” ring package
• Premium 8620 wrist pins included
• Gasket volume = 9.9cc’s
• Top ring down = .240”
• Max valve diameters = 2.250” diameter intake & 1.850” exhaust valves
• Valve relief depth = .197” intake & .163” exhaust.
• Some items are non-stock parts, made to order as necessary. Check the shopping cart for availability.

Big Block Mopar 383
Part #	Bore	Stroke	Rod	C. D.	Wt	Pin	CC's	Comp Ratio			Purchase Online
								72cc	80cc	84cc
								9.8 9.9	9.1 9.2	8.8 8.9
51900 $656	4.280 4.310	3.375	6.360	1.916	630 632	1.094	-4.0				Discounted Prices
51910 $656	4.280 4.310	3.750	6.360	1.720	597 600	1.094	-4.0	10.6 10.7	9.8 9.9	9.5 9.6	Discounted Prices

Big Block Mopar 383 with 440 Rod
Part #	Bore	Stroke	Rod	C. D.	Wt	Pin	CC's	Comp Ratio			Purchase Online
								72cc	80cc	84cc
								9.9 10.0	9.2 9.3	8.9 9.0
51907 $656	4.280 4.310	3.375	6.768	1.516	-	.990	-4.0				Discounted Prices
51950 $656	4.280 4.310	3.750	6.768	1.32	500 505	.990	-4.0	10.7 10.8	9.9 10.0	9.6 9.7	Discounted Prices

Big Block Mopar 400 with 440 Rod
Part #	Bore	Stroke	Rod	C. D.	Wt	Pin	CC's	Comp Ratio			Purchase Online
								72cc	80cc	84cc
								11.1	10.3	10.0
52006 $656	4.375	3.750	6.768	1.320	513	1.094	-4.0				Discounted Prices
52007 $656	4.375	3.750	6.768	1.320	526	.990	-4.0	11.1	10.3	10.0	Discounted Prices
52008* $656	4.375	4.150	6.768	1.120	480	.990	-4.0	12.1	11.2	10.8	Discounted Prices

 

Big Block Mopar 440
Part #	Bore	Stroke	Rod	C. D.	Wt	Pin	CC's	Comp Ratio			Purchase Online
								72cc	80cc	84cc
								11.1	10.3	10.0
52001 $656	4.350	3.750	6.768	2.065	646	1.094	-4.0				Discounted Prices
52002 $656	4.350 4.360	3.750	6.768	2.065	648 655	.990	-4.0	11.1 11.2	10.3 10.3	10.0 10.0	Discounted Prices
52004 $656	4.350 4.360 4.375	4.150	6.768	1.865	609 618 632	1.094	-4.0	12.2 12.2 12.4	11.3 11.3 11.4	10.9 10.9 11.0	Discounted Prices
52005 $656	4.350 4.360 4.375 4.380	4.150	6.768	1.865	614 624 636 638	.990	-4.0	12.2 12.2 12.4 12.4	11.3 11.3 11.4 11.4	10.9 10.9 11.0 11.0	Discounted Prices
52017 $656	4.350 4.360 4.375 4.380	4.250	6.768	1.815	618 620 622 624	.990	-4.0	12.5 12.6 12.6 12.7	11.6 11.6 11.7 11.7	11.2 11.2 11.3 11.3	Discounted Prices
52027 $656	4.350 4.360 4.380	4.250	6.800	1.780	-	.990	-4.0	12.5 12.6 12.7	11.6 11.6 11.7	11.2 11.2 11.3	Discounted Prices

* Includes Oil ring support rails.