144 ENGINES and COMPONENTS WARNING: For Proposition 65 information, see p. 189 Some parts are not legal for sale or use in California or other states with similar laws/regulations—see p. 189 for details. Find head gaskets at SummitRacing.com! Summit Racing™ Coated Forged Pistons Get the strength of forged pistons at a nice Summit price! These pistons are forged from 4032 aluminum, a high-silicon alloy that controls thermal expansion. This allows for tighter tolerances, so there’s less rocking, better piston ring sealing, and longer service life. They also feature a special anti-scuff skirt coating. Wrist pins included (press fi t or fl oating). Use 5/64" top, 5/64" secondary, and 3/16" oil control rings (not included). Please indicate overbore size by adding one of the following codes to the space at the end of the part number: 00=standard (4.000"), 20=.020", 30=.030", 40=.040", or 60=.060". Chevy 350 Price/Set of 8 3.48 stroke/5.700" rod. Compression ratio 8.4 to 10.6:1. 10.0cc 4-V fl at top. Compression height 1.565". SUM-17360FC-__ ..................................................................................from $413.99 Chevy 383 3.75 stroke/5.700" rod. Compression ratio 9.0 to 11.3:1. 10.0cc 4-V fl at top. Compression height 1.433". SUM-17365FC-__ ..................................................................................from $441.99 Ford 302 3.00 stroke/5.090" rod. Compression ratio 7.6 to 9.7:1. 11.0cc 4-V fl at top. Compression height 1.60". SUM-17370FC-__ ..................................................................................from $372.99 Coated Forged Pistons for LS Engines Use 1.5mm top, 1.5mm secondary, and 3mm oil control rings (not included). For standard bore, leave the space at the end of the part number blank, 10=.010", 20=.020", 30=.030". See product listings below for size availability. Chevy 5.3L LS (325 cu. in.) Price/Set of 8 3.622 stroke/6.098" rod. Compression ratio 8.8 to 10.75:1. 2.9cc 2-V fl at top. Compression height 1.331". Available in standard (3.780"), .020", or .030" overbore. SUM-17400C-__ ....................................................................................from $459.99 3.622 stroke/6.125" rod. Compression ratio 8.8 to 10.75:1. 2.9cc 2-V fl at top. Compression height 1.304". Available in standard (3.780"), .020", or .030" overbore. SUM-17401C-__ ....................................................................................from $459.99 Chevy 5.8L LS (359 cu. in., 5.3L stroker) 4.00 stroke/6.125" rod. Compression ratio 9.6 to 11.7:1. 2.9cc 2-V fl at top. Compression height 1.115". Available in standard (3.780"), .020", or .030" overbore. SUM-17402C-__ ....................................................................................from $455.99 Chevy 6.2L LS (384 cu. in.) 3.622 stroke/6.098" rod. Compression ratio 9.4 to 11.4:1. 3.3cc 2-V fl at top. Compression height 1.304". Available in standard (4.000"), .010", or .020" overbore. SUM-17407C-__ ....................................................................................from $459.99 Chevy 6.5L LS (402 cu. in., 6.0L stroker) 4.000 stroke/6.125" rod. Compression ratio 10.3-12.6:1. 3.3cc 2-V fl at top. Compression height 1.115". Available in standard (4.000"), .020", or .030" overbore. SUM-17406C-__ ....................................................................................from $455.99 Dart Pro Series Cylinder Heads for Chevy Get unbeatable out-of-the-box performance with Dart’s Pro Series cylinder heads! Cast from 355-T61 aluminum, assembled heads have stainless steel valves, valve springs, retainers, locks, studs, guideplates, and seals; choose bare heads for your custom top end. For complete specs and Made in the USA status visit SummitRacing.com, or call us. Platinum Series Pro 1 Heads for Small Chevy (Assembled) These heads feature heart-shaped combustion chambers and raised spark plug locations for improved power and effi ciency, 23° valve angles with racing-profi le hardened valve seats, and enlarged water passages. Platinum Series Pro 1 heads, each ..................................................... from $1,111.65 Pro 1 Heads for Big Chevy (Assembled) These rectangle port big block heads feature a lot of the same benefi ts as the Platinum Series Pro 1 heads listed above. Large runners and .300" raised exhaust ports deliver a substantial increase in airfl ow for serious street performance, mild bracket racing, and marine applications. Pro 1 heads, each ............................................................................... from $2,316.78 Pro 1 CNC Heads for Big Chevy (Bare) These heads feature 100% CNC-machined intake and exhaust ports, valve bowls, and combustion chambers for maximum air fl ow and consistent compression. Pro 1 CNC heads, each ....................................................................... from $2,475.93 Pro 2 CNC Heads for Big Chevy (Assembled) Pro 2 cylinder heads feature larger CNC-machined runners and .500" raised exhaust ports for a race-winning combination of airfl ow, durability, and power for 500+ cubic inch engines. Ideal for comp or bracket cars. Pro 2 CNC heads, each ....................................................................... from $3,499.27 Aluminum heads for budget builds! Keep your small Chevy street machine’s budget and performance on target with a pair of Dart Special High Performance (SHP) cylinder heads! These lightweight A356-T6 cast aluminum heads are packed with features usually reserved for more expensive setups, like high-fl ow, multi-angle intake seats, plus radiused, hardened exhaust seats and manganese bronze valve guides for unbeatable durability. They’re assembled with valves, springs, retainers, locks, studs, guideplates and seals. Designed for bolt-on compatibility, SHP heads have standard 23° valve angles and straight spark plug angles so there’s no need for a bunch of custom components to get you on the road. 75cc exhaust runners. NOTE: Valve springs denoted as (S) single (.510" max lift) with hydraulic fl at tappet cam, and (D) dual (.610" max lift) with hydraulic roller cam. Intake Combustion Int./Exh. Spring Runner Chamber Valve Size Price Each DRT-126121 180cc 64cc 2.02"/1.60" 1.250S .........$838.24 DRT-126221 180cc 72cc 2.02"/1.60" 1.250S .........$838.24 DRT-126122 180cc 64cc 2.02"/1.60" 1.437D .........$838.24 DRT-126222 180cc 72cc 2.02"/1.60" 1.437D .........$838.24 DRT-126322 200cc 64cc 2.02"/1.60" 1.437D .........$838.24 DRT-126422 200cc 72cc 2.02"/1.60" 1.437D .........$838.24 Trick Flow Forged Pistons Trick Flow designed these pistons specifi cally to work with Twisted Wedge cylinder heads for small block Fords. Machined from forged 4032 high silicon aluminum alloy, the tops perfectly match the patented chamber and valve angles of the Twisted Wedge design. Spirolox lock rings, heavy-duty steel wrist pins, and oil ring spacers (where required) are included, and all pistons use a 1/16" top ring, 1/16" secondary ring, and 3/16" oil control rings (sold separately). Sold in sets of 8. Fit 4.030" bore and 10:1 compression ratio engines with 58cc head, except as noted. Made in the USA. Engine Size Comp. Height Stroke Rod Pin Dia. Price/Set TFS-51404000* 306 (302) 1.600 3.00 5.09 .912 $674.99 TFS-51404010*+ 306 (302) 1.610 3.00 5.09 .912 $674.99 TFS-51404110*^ 347 (302) 1.090 3.40 5.4 .927 $674.99 TFS-51404111 347 (302) 1.090 3.40 5.4 .927 $674.99 TFS-51404221* 357 (351W) 1.785 3.50 5.955 .912 $674.99 TFS-51404010* 393 (351W) 1.610 3.85 5.955 .912 $674.99 TFS-51404330*^ 408 (351W) 1.290 4.00 6.2 .927 $674.99 TFS-51404331* 408 (351W) 1.290 4.00 6.2 .927 $674.99 *Available in 4.040" bore at an additional cost—add -40 to the end of the part number. +8.0:1 ratio. ^8.5:1 ratio. AFR Enforcer Cylinder Heads These budget-friendly AFR Enforcer as-cast aluminum cylinder heads deliver performance rivaling many CNC-machined heads without the hefty price tag. They feature high-end components like ARP rocker studs and guide plates (where applicable), PAC Racing springs compatible with a hydraulic roller or solid fl at tappet camshaft, Viton® valve seals, machined bead valve locks, hardened spring cups, one-piece 8mm (11/32" for Big Chevy) stainless steel valves with hardened seats, and bronze valve guides. Small block Chevy heads are available with straight or angled spark plug holes (as indicated) and accept perimeter bolt valve covers. Visit SummitRacing.com for complete details. NOTE: Spark plug locations are denoted as angled (A) or straight (S). Intake Combustion Int./Exh. Max Valve Price SB Chevy Runner Chamber Valve Lift Plug Each AFR-1001 195cc 64cc 2.02"/1.60" 0.600" S ......$593.58 AFR-1006 195cc 64cc 2.02"/1.60" 0.600" A ......$593.58 Chevy LS AFR-1506*+ 210cc 64cc 2.00"/1.57" 0.600" —......$658.45 AFR-1501+ 210cc 64cc 2.02"/1.60" 0.600" —......$658.45 BB Chevy AFR-3001 335cc 122cc 2.25"/1.88" 0.725" —......$863.88 SB Ford AFR-1341 185cc 64cc 1.90"/1.60" 0.600" —......$647.64 AFR-1351 185cc 64cc 2.02"/1.60" 0.600" —......$647.64 *Fits 5.3L small bore engine; 3.78". +Aftermarket rocker arms or rocker arm trunnion upgrade required.